CVE-2023-0523 (GCVE-0-2023-0523)

Vulnerability from cvelistv5 – Published: 2023-04-05 00:00 – Updated: 2025-02-10 21:09
VLAI
Summary
An issue has been discovered in GitLab affecting all versions starting from 15.6 before 15.8.5, 15.9 before 15.9.4, and 15.10 before 15.10.1. An XSS was possible via a malicious email address for certain instances.
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • Improper neutralization of input during web page generation ('cross-site scripting') in GitLab
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
GitLab GitLab Affected: >=15.6, <15.8.5
Affected: >=15.9, <15.9.4
Affected: >=15.10, <15.10.1
Create a notification for this product.
Credits
Thanks [cryptopone](https://hackerone.com/cryptopone) for reporting this vulnerability through our HackerOne bug bounty program
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T05:17:49.250Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/389487"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/1842867"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0523.json"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-0523",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-10T21:09:27.301140Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-79",
                "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-10T21:09:32.085Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "GitLab",
          "vendor": "GitLab",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e=15.6, \u003c15.8.5"
            },
            {
              "status": "affected",
              "version": "\u003e=15.9, \u003c15.9.4"
            },
            {
              "status": "affected",
              "version": "\u003e=15.10, \u003c15.10.1"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Thanks [cryptopone](https://hackerone.com/cryptopone) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue has been discovered in GitLab affecting all versions starting from 15.6 before 15.8.5, 15.9 before 15.9.4, and 15.10 before 15.10.1. An XSS was possible via a malicious email address for certain instances."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Improper neutralization of input during web page generation (\u0027cross-site scripting\u0027) in GitLab",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-04-05T00:00:00.000Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/389487"
        },
        {
          "url": "https://hackerone.com/reports/1842867"
        },
        {
          "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0523.json"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2023-0523",
    "datePublished": "2023-04-05T00:00:00.000Z",
    "dateReserved": "2023-01-26T00:00:00.000Z",
    "dateUpdated": "2025-02-10T21:09:32.085Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-0523",
      "date": "2026-07-09",
      "epss": "0.00642",
      "percentile": "0.46444"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\", \"versionStartIncluding\": \"15.6.0\", \"versionEndExcluding\": \"15.8.5\", \"matchCriteriaId\": \"482B0E4F-5230-4787-96C7-FB28AC313B7A\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\", \"versionStartIncluding\": \"15.6.0\", \"versionEndIncluding\": \"15.8.5\", \"matchCriteriaId\": \"C3DFF460-CB1C-4C61-82DC-DE932FB42484\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\", \"versionStartIncluding\": \"15.9.0\", \"versionEndExcluding\": \"15.9.4\", \"matchCriteriaId\": \"130F61DA-5561-49A8-8024-88D12819F2E1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\", \"versionStartIncluding\": \"15.9.0\", \"versionEndExcluding\": \"15.9.4\", \"matchCriteriaId\": \"E10FDADF-D6E5-402E-8834-F9BD274FBE2D\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:15.10.0:*:*:*:community:*:*:*\", \"matchCriteriaId\": \"7803BD85-A126-49E0-8DEC-3D0E98A0CAE1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:gitlab:gitlab:15.10.0:*:*:*:enterprise:*:*:*\", \"matchCriteriaId\": \"7D831DA8-EE49-41A1-AE77-E8B51E8458A4\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"An issue has been discovered in GitLab affecting all versions starting from 15.6 before 15.8.5, 15.9 before 15.9.4, and 15.10 before 15.10.1. An XSS was possible via a malicious email address for certain instances.\"}]",
      "id": "CVE-2023-0523",
      "lastModified": "2024-11-21T07:37:20.253",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"cve@gitlab.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N\", \"baseScore\": 5.4, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.3, \"impactScore\": 2.7}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N\", \"baseScore\": 6.1, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 2.7}]}",
      "published": "2023-04-05T20:15:07.443",
      "references": "[{\"url\": \"https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0523.json\", \"source\": \"cve@gitlab.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/issues/389487\", \"source\": \"cve@gitlab.com\", \"tags\": [\"Broken Link\"]}, {\"url\": \"https://hackerone.com/reports/1842867\", \"source\": \"cve@gitlab.com\", \"tags\": [\"Permissions Required\"]}, {\"url\": \"https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0523.json\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/issues/389487\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Broken Link\"]}, {\"url\": \"https://hackerone.com/reports/1842867\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Permissions Required\"]}]",
      "sourceIdentifier": "cve@gitlab.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-79\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-0523\",\"sourceIdentifier\":\"cve@gitlab.com\",\"published\":\"2023-04-05T20:15:07.443\",\"lastModified\":\"2026-06-17T05:25:44.433\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue has been discovered in GitLab affecting all versions starting from 15.6 before 15.8.5, 15.9 before 15.9.4, and 15.10 before 15.10.1. An XSS was possible via a malicious email address for certain instances.\"}],\"affected\":[{\"source\":\"cve@gitlab.com\",\"affectedData\":[{\"vendor\":\"GitLab\",\"product\":\"GitLab\",\"versions\":[{\"version\":\"\u003e=15.6, \u003c15.8.5\",\"status\":\"affected\"},{\"version\":\"\u003e=15.9, \u003c15.9.4\",\"status\":\"affected\"},{\"version\":\"\u003e=15.10, \u003c15.10.1\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@gitlab.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N\",\"baseScore\":5.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.3,\"impactScore\":2.7},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N\",\"baseScore\":6.1,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":2.7}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-02-10T21:09:27.301140Z\",\"id\":\"CVE-2023-0523\",\"options\":[{\"exploitation\":\"poc\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"15.6.0\",\"versionEndExcluding\":\"15.8.5\",\"matchCriteriaId\":\"482B0E4F-5230-4787-96C7-FB28AC313B7A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"15.6.0\",\"versionEndIncluding\":\"15.8.5\",\"matchCriteriaId\":\"C3DFF460-CB1C-4C61-82DC-DE932FB42484\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"15.9.0\",\"versionEndExcluding\":\"15.9.4\",\"matchCriteriaId\":\"130F61DA-5561-49A8-8024-88D12819F2E1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"15.9.0\",\"versionEndExcluding\":\"15.9.4\",\"matchCriteriaId\":\"E10FDADF-D6E5-402E-8834-F9BD274FBE2D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:15.10.0:*:*:*:community:*:*:*\",\"matchCriteriaId\":\"7803BD85-A126-49E0-8DEC-3D0E98A0CAE1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:15.10.0:*:*:*:enterprise:*:*:*\",\"matchCriteriaId\":\"7D831DA8-EE49-41A1-AE77-E8B51E8458A4\"}]}]}],\"references\":[{\"url\":\"https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0523.json\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://gitlab.com/gitlab-org/gitlab/-/issues/389487\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://hackerone.com/reports/1842867\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Permissions Required\"]},{\"url\":\"https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0523.json\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://gitlab.com/gitlab-org/gitlab/-/issues/389487\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://hackerone.com/reports/1842867\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Permissions Required\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2025-05-28T23:47:20+00:00",
      "cve": "CVE-2023-0523",
      "id": "CVE-2023-0523",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2023-0523",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-0523.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/issues/389487\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://hackerone.com/reports/1842867\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0523.json\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T05:17:49.250Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-0523\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-10T21:09:27.301140Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-79\", \"description\": \"CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-10T21:00:07.089Z\"}}], \"cna\": {\"credits\": [{\"lang\": \"en\", \"value\": \"Thanks [cryptopone](https://hackerone.com/cryptopone) for reporting this vulnerability through our HackerOne bug bounty program\"}], \"metrics\": [{\"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 5.4, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"LOW\"}}], \"affected\": [{\"vendor\": \"GitLab\", \"product\": \"GitLab\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003e=15.6, \u003c15.8.5\"}, {\"status\": \"affected\", \"version\": \"\u003e=15.9, \u003c15.9.4\"}, {\"status\": \"affected\", \"version\": \"\u003e=15.10, \u003c15.10.1\"}]}], \"references\": [{\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/issues/389487\"}, {\"url\": \"https://hackerone.com/reports/1842867\"}, {\"url\": \"https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0523.json\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An issue has been discovered in GitLab affecting all versions starting from 15.6 before 15.8.5, 15.9 before 15.9.4, and 15.10 before 15.10.1. An XSS was possible via a malicious email address for certain instances.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"Improper neutralization of input during web page generation (\u0027cross-site scripting\u0027) in GitLab\"}]}], \"providerMetadata\": {\"orgId\": \"ceab7361-8a18-47b1-92ba-4d7d25f6715a\", \"shortName\": \"GitLab\", \"dateUpdated\": \"2023-04-05T00:00:00.000Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-0523\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-10T21:09:32.085Z\", \"dateReserved\": \"2023-01-26T00:00:00.000Z\", \"assignerOrgId\": \"ceab7361-8a18-47b1-92ba-4d7d25f6715a\", \"datePublished\": \"2023-04-05T00:00:00.000Z\", \"assignerShortName\": \"GitLab\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


Detection rules are retrieved from Rulezet.