Vulnerability-Lookup

CVE-2024-28593 (GCVE-0-2024-28593)

Vulnerability from cvelistv5 – Published: 2024-03-22 00:00 – Updated: 2024-11-05 14:47 Disputed

Summary

The Chat activity in Moodle 4.3.3 allows students to insert a potentially unwanted HTML A element or IMG element, or HTML content that leads to a performance degradation. NOTE: the vendor's Using_Chat page says "If you know some HTML code, you can use it in your text to do things like insert images, play sounds or create different coloured and sized text." This page also says "Chat is due to be removed from standard Moodle."

Severity

5.4 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-03-25 16:47 UTC

CWE

n/a
CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2286 records in the last 180 days details

References

3 references

URL	Tags
https://medium.com/%40lamscun/how-do-i-change-htm…
https://gist.githubusercontent.com/minendie/4f231…
https://docs.moodle.org/403/en/Using_Chat

Show details on NVD website

JSON

To clipboard

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}

bit-moodle-2024-28593

Vulnerability from bitnami_vulndb

Published

2025-05-02 06:18

Modified

2026-09-08 08:34

Summary

Details

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "moodle",
        "purl": "pkg:bitnami/moodle"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.3.3"
            },
            {
              "fixed": "4.3.4"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-28593"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "The Chat activity in Moodle 4.3.3 allows students to insert a potentially unwanted HTML A element or IMG element, or HTML content that leads to a performance degradation. NOTE: the vendor\u0027s Using_Chat page says \"If you know some HTML code, you can use it in your text to do things like insert images, play sounds or create different coloured and sized text.\" This page also says \"Chat is due to be removed from standard Moodle.\"",
  "id": "BIT-moodle-2024-28593",
  "modified": "2026-09-08T08:34:36.952Z",
  "published": "2025-05-02T06:18:27.353Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://docs.moodle.org/403/en/Using_Chat"
    },
    {
      "type": "ADVISORY",
      "url": "https://gist.githubusercontent.com/minendie/4f23174687bc4d8eb7f727d9959b5399/raw/9ce573cebcce5521d9d6f826ab68f3780036b874/CVE-2024-28593.txt"
    },
    {
      "type": "WEB",
      "url": "https://medium.com/%40lamscun/how-do-i-change-htmli-from-low-to-critical-your-email-box-is-safe-e7171efd88fe"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-28593"
    }
  ],
  "schema_version": "1.6.2"
}

CNVD-2024-21663

Vulnerability from cnvd - Published: 2024-05-10

Title

Moodle跨站脚本漏洞（CNVD-2024-21663）

Description

Moodle是一套免费、开源的电子学习软件平台，也称课程管理系统、学习管理系统或虚拟学习环境。 Moodle存在跨站脚本漏洞，该漏洞源于Chat活动允许学生插入可能不需要的HTML A元素或IMG元素。攻击者可利用该漏洞窃取受害者基于cookie的身份验证凭据。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://medium.com/%40lamscun/how-do-i-change-htmli-from-low-to-critical-your-email-box-is-safe-e7171efd88fe

Reference

https://nvd.nist.gov/vuln/detail/CVE-2024-28593

Impacted products

Name
moodle Moodle 4.3.3

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-28593",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-28593"
    }
  },
  "description": "Moodle\u662f\u4e00\u5957\u514d\u8d39\u3001\u5f00\u6e90\u7684\u7535\u5b50\u5b66\u4e60\u8f6f\u4ef6\u5e73\u53f0\uff0c\u4e5f\u79f0\u8bfe\u7a0b\u7ba1\u7406\u7cfb\u7edf\u3001\u5b66\u4e60\u7ba1\u7406\u7cfb\u7edf\u6216\u865a\u62df\u5b66\u4e60\u73af\u5883\u3002\n\nMoodle\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eChat\u6d3b\u52a8\u5141\u8bb8\u5b66\u751f\u63d2\u5165\u53ef\u80fd\u4e0d\u9700\u8981\u7684HTML A\u5143\u7d20\u6216IMG\u5143\u7d20\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7a83\u53d6\u53d7\u5bb3\u8005\u57fa\u4e8ecookie\u7684\u8eab\u4efd\u9a8c\u8bc1\u51ed\u636e\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://medium.com/%40lamscun/how-do-i-change-htmli-from-low-to-critical-your-email-box-is-safe-e7171efd88fe",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2024-21663",
  "openTime": "2024-05-10",
  "products": {
    "product": "moodle Moodle 4.3.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2024-28593",
  "serverity": "\u4e2d",
  "submitTime": "2024-03-26",
  "title": "Moodle\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2024-21663\uff09"
}

FKIE_CVE-2024-28593

Vulnerability from fkie_nvd - Published: 2024-03-22 15:15 - Updated: 2026-06-17 07:21

Severity

5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Summary

References

URL	Tags
cve@mitre.org	https://docs.moodle.org/403/en/Using_Chat	Product
cve@mitre.org	https://gist.githubusercontent.com/minendie/4f23174687bc4d8eb7f727d9959b5399/raw/9ce573cebcce5521d9d6f826ab68f3780036b874/CVE-2024-28593.txt	Third Party Advisory
cve@mitre.org	https://medium.com/%40lamscun/how-do-i-change-htmli-from-low-to-critical-your-email-box-is-safe-e7171efd88fe	Not Applicable
af854a3a-2127-422b-91ae-364da2661108	https://docs.moodle.org/403/en/Using_Chat	Product
af854a3a-2127-422b-91ae-364da2661108	https://gist.githubusercontent.com/minendie/4f23174687bc4d8eb7f727d9959b5399/raw/9ce573cebcce5521d9d6f826ab68f3780036b874/CVE-2024-28593.txt	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://medium.com/%40lamscun/how-do-i-change-htmli-from-low-to-critical-your-email-box-is-safe-e7171efd88fe	Not Applicable

Impacted products

	Vendor	Product	Version
	moodle	moodle	4.3.3

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:moodle:moodle:4.3.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "3D1B03C6-3C1B-4A47-85BC-67E2C4D43707",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [
    {
      "sourceIdentifier": "cve@mitre.org",
      "tags": [
        "disputed"
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Chat activity in Moodle 4.3.3 allows students to insert a potentially unwanted HTML A element or IMG element, or HTML content that leads to a performance degradation. NOTE: the vendor\u0027s Using_Chat page says \"If you know some HTML code, you can use it in your text to do things like insert images, play sounds or create different coloured and sized text.\" This page also says \"Chat is due to be removed from standard Moodle.\""
    },
    {
      "lang": "es",
      "value": "La actividad Chat en Moodle 4.3.3 permite a los estudiantes insertar un elemento HTML A o un elemento IMG potencialmente no deseado, o contenido HTML que conduce a una degradaci\u00f3n del rendimiento. NOTA: la p\u00e1gina Usando_Chat del proveedor dice \"Si conoce alg\u00fan c\u00f3digo HTML, puede usarlo en su texto para hacer cosas como insertar im\u00e1genes, reproducir sonidos o crear texto de diferentes colores y tama\u00f1os\". Esta p\u00e1gina tambi\u00e9n dice \"El chat debe eliminarse de Moodle est\u00e1ndar\"."
    }
  ],
  "id": "CVE-2024-28593",
  "lastModified": "2026-06-17T07:21:34.770",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.5,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-28593",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-03-25T16:47:10.401185Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-03-22T15:15:15.453",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ],
      "url": "https://docs.moodle.org/403/en/Using_Chat"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://gist.githubusercontent.com/minendie/4f23174687bc4d8eb7f727d9959b5399/raw/9ce573cebcce5521d9d6f826ab68f3780036b874/CVE-2024-28593.txt"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Not Applicable"
      ],
      "url": "https://medium.com/%40lamscun/how-do-i-change-htmli-from-low-to-critical-your-email-box-is-safe-e7171efd88fe"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://docs.moodle.org/403/en/Using_Chat"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://gist.githubusercontent.com/minendie/4f23174687bc4d8eb7f727d9959b5399/raw/9ce573cebcce5521d9d6f826ab68f3780036b874/CVE-2024-28593.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Not Applicable"
      ],
      "url": "https://medium.com/%40lamscun/how-do-i-change-htmli-from-low-to-critical-your-email-box-is-safe-e7171efd88fe"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

GHSA-F6MH-79VH-2HV7

Vulnerability from github – Published: 2024-03-22 15:31 – Updated: 2024-11-05 18:33

Summary

Cross-site Scripting in Moodle Chat

Details

Severity

5.4 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

5.3 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "moodle/moodle"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "4.3.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-28593"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79",
      "CWE-94"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-03-22T20:44:44Z",
    "nvd_published_at": "2024-03-22T15:15:15Z",
    "severity": "MODERATE"
  },
  "details": "The Chat activity in Moodle 4.3.3 allows students to insert a potentially unwanted HTML A element or IMG element, or HTML content that leads to a performance degradation. NOTE: the vendor\u0027s Using_Chat page says \"If you know some HTML code, you can use it in your text to do things like insert images, play sounds or create different coloured and sized text.\" This page also says \"Chat is due to be removed from standard Moodle.\"",
  "id": "GHSA-f6mh-79vh-2hv7",
  "modified": "2024-11-05T18:33:53Z",
  "published": "2024-03-22T15:31:07Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-28593"
    },
    {
      "type": "WEB",
      "url": "https://docs.moodle.org/403/en/Using_Chat"
    },
    {
      "type": "WEB",
      "url": "https://gist.githubusercontent.com/minendie/4f23174687bc4d8eb7f727d9959b5399/raw/9ce573cebcce5521d9d6f826ab68f3780036b874/CVE-2024-28593.txt"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/moodle/moodle"
    },
    {
      "type": "WEB",
      "url": "https://medium.com/%40lamscun/how-do-i-change-htmli-from-low-to-critical-your-email-box-is-safe-e7171efd88fe"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Cross-site Scripting in Moodle Chat"
}

GSD-2024-28593

Vulnerability from gsd - Updated: 2024-03-08 06:02

Details

** DISPUTED ** The Chat activity in Moodle 4.3.3 allows students to insert a potentially unwanted HTML A element or IMG element, or HTML content that leads to a performance degradation. NOTE: the vendor's Using_Chat page says "If you know some HTML code, you can use it in your text to do things like insert images, play sounds or create different coloured and sized text." This page also says "Chat is due to be removed from standard Moodle."

Aliases

CVE-2024-28593

JSON

To clipboard

{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2024-28593"
      ],
      "details": "** DISPUTED ** The Chat activity in Moodle 4.3.3 allows students to insert a potentially unwanted HTML A element or IMG element, or HTML content that leads to a performance degradation. NOTE: the vendor\u0027s Using_Chat page says \"If you know some HTML code, you can use it in your text to do things like insert images, play sounds or create different coloured and sized text.\" This page also says \"Chat is due to be removed from standard Moodle.\"",
      "id": "GSD-2024-28593",
      "modified": "2024-03-08T06:02:46.517258Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2024-28593",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "** DISPUTED ** The Chat activity in Moodle 4.3.3 allows students to insert a potentially unwanted HTML A element or IMG element, or HTML content that leads to a performance degradation. NOTE: the vendor\u0027s Using_Chat page says \"If you know some HTML code, you can use it in your text to do things like insert images, play sounds or create different coloured and sized text.\" This page also says \"Chat is due to be removed from standard Moodle.\""
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://medium.com/@lamscun/how-do-i-change-htmli-from-low-to-critical-your-email-box-is-safe-e7171efd88fe",
            "refsource": "MISC",
            "url": "https://medium.com/@lamscun/how-do-i-change-htmli-from-low-to-critical-your-email-box-is-safe-e7171efd88fe"
          },
          {
            "name": "https://gist.githubusercontent.com/minendie/4f23174687bc4d8eb7f727d9959b5399/raw/9ce573cebcce5521d9d6f826ab68f3780036b874/CVE-2024-28593.txt",
            "refsource": "MISC",
            "url": "https://gist.githubusercontent.com/minendie/4f23174687bc4d8eb7f727d9959b5399/raw/9ce573cebcce5521d9d6f826ab68f3780036b874/CVE-2024-28593.txt"
          },
          {
            "name": "https://docs.moodle.org/403/en/Using_Chat",
            "refsource": "MISC",
            "url": "https://docs.moodle.org/403/en/Using_Chat"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "The Chat activity in Moodle 4.3.3 allows students to insert a potentially unwanted HTML A element or IMG element, or HTML content that leads to a performance degradation. NOTE: the vendor\u0027s Using_Chat page says \"If you know some HTML code, you can use it in your text to do things like insert images, play sounds or create different coloured and sized text.\" This page also says \"Chat is due to be removed from standard Moodle.\""
          },
          {
            "lang": "es",
            "value": "La actividad Chat en Moodle 4.3.3 permite a los estudiantes insertar un elemento HTML A o un elemento IMG potencialmente no deseado, o contenido HTML que conduce a una degradaci\u00f3n del rendimiento. NOTA: la p\u00e1gina Usando_Chat del proveedor dice \"Si conoce alg\u00fan c\u00f3digo HTML, puede usarlo en su texto para hacer cosas como insertar im\u00e1genes, reproducir sonidos o crear texto de diferentes colores y tama\u00f1os\". Esta p\u00e1gina tambi\u00e9n dice \"El chat debe eliminarse de Moodle est\u00e1ndar\"."
          }
        ],
        "id": "CVE-2024-28593",
        "lastModified": "2024-04-11T01:25:10.400",
        "metrics": {},
        "published": "2024-03-22T15:15:15.453",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "https://docs.moodle.org/403/en/Using_Chat"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://gist.githubusercontent.com/minendie/4f23174687bc4d8eb7f727d9959b5399/raw/9ce573cebcce5521d9d6f826ab68f3780036b874/CVE-2024-28593.txt"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://medium.com/%40lamscun/how-do-i-change-htmli-from-low-to-critical-your-email-box-is-safe-e7171efd88fe"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Awaiting Analysis"
      }
    }
  }
}

UBUNTU-CVE-2024-28593 (CVE-2024-28593)

Vulnerability from osv_ubuntu – Published: 2024-03-22 15:15 – Updated: 2026-09-23 15:49 – Source website

Details

Severity

5.4 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2024-28593	REPORT
	https://www.cve.org/CVERecord?id=CVE-2024-28593	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "moodle",
            "binary_version": "3.0.3+dfsg-0ubuntu1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "moodle",
        "purl": "pkg:deb/ubuntu/moodle@3.0.3+dfsg-0ubuntu1+esm1?arch=source\u0026distro=esm-apps-legacy/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.7.9+dfsg-1",
        "2.7.10+dfsg-1",
        "2.7.11+dfsg-1",
        "2.7.11+dfsg-2",
        "2.7.12+dfsg-1",
        "3.0.3+dfsg-0ubuntu1",
        "3.0.3+dfsg-0ubuntu1+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "moodle",
            "binary_version": "3.0.3+dfsg-0ubuntu1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "moodle",
        "purl": "pkg:deb/ubuntu/moodle@3.0.3+dfsg-0ubuntu1+esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.3+dfsg-0ubuntu1",
        "3.0.3+dfsg-0ubuntu1+esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "The Chat activity in Moodle 4.3.3 allows students to insert a potentially unwanted HTML A element or IMG element, or HTML content that leads to a performance degradation. NOTE: the vendor\u0027s Using_Chat page says \"If you know some HTML code, you can use it in your text to do things like insert images, play sounds or create different coloured and sized text.\" This page also says \"Chat is due to be removed from standard Moodle.\"",
  "id": "UBUNTU-CVE-2024-28593",
  "modified": "2026-09-23T15:49:44Z",
  "published": "2024-03-22T15:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-28593"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-28593"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2024-28593"
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2024-28593 (GCVE-0-2024-28593)

bit-moodle-2024-28593

Vulnerability from bitnami_vulndb

CNVD-2024-21663

FKIE_CVE-2024-28593

GHSA-F6MH-79VH-2HV7

GSD-2024-28593

UBUNTU-CVE-2024-28593 (CVE-2024-28593)

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour