Vulnerability-Lookup

ubuntu-cve-2026-24476

Vulnerability from osv_ubuntu

Published

2026-01-26 23:16

Modified

2026-02-19 17:34

Summary

Details

Shaarli is a personal bookmarking service. Prior to version 0.16.0, crafting a malicious tag which starting with " prematurely ends the <input> tag on the start page and allows an attacker to add arbitrary html leading to a possible XSS attack. Version 0.16.0 fixes the issue.

Severity

5.3 (Medium)


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

5.4 (Medium)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-24476	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-24476	REPORT
	https://github.com/shaarli/Shaarli/security/advis…	REPORT
	https://github.com/shaarli/Shaarli/commit/b854c78…	REPORT
	https://github.com/shaarli/Shaarli/commit/b854c78…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "shaarli",
            "binary_version": "0.0.42~beta~dfsg1-2ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "shaarli",
        "purl": "pkg:deb/ubuntu/shaarli@0.0.42~beta~dfsg1-2ubuntu1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0.42~beta~dfsg1-2",
        "0.0.42~beta~dfsg1-2ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "Shaarli is a personal bookmarking service. Prior to version 0.16.0, crafting a malicious tag which starting with `\"` prematurely ends the `\u003cinput\u003e` tag on the start page and allows an attacker to add arbitrary html leading to a possible XSS attack. Version 0.16.0 fixes the issue.",
  "id": "UBUNTU-CVE-2026-24476",
  "modified": "2026-02-19T17:34:16Z",
  "published": "2026-01-26T23:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-24476"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-24476"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/shaarli/Shaarli/security/advisories/GHSA-g3xq-mj52-f8pg"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/shaarli/Shaarli/commit/b854c789289c4b0dfbb7c1e5793bae7d8f94e063"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/shaarli/Shaarli/commit/b854c789289c4b0dfbb7c1e5793bae7d8f94e063"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-24476"
  ]
}

CVE-2026-24476 (GCVE-0-2026-24476)

Vulnerability from cvelistv5 – Published: 2026-01-26 22:26 – Updated: 2026-01-27 15:20

Title

Shaarli vulnerable to stored XSS via Suggested Tags

Summary

Shaarli is a personal bookmarking service. Prior to version 0.16.0, crafting a malicious tag which starting with `"` prematurely ends the `<input>` tag on the start page and allows an attacker to add arbitrary html leading to a possible XSS attack. Version 0.16.0 fixes the issue.

Severity

5.3 (Medium)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/shaarli/Shaarli/security/advis…	x_refsource_CONFIRM
https://github.com/shaarli/Shaarli/commit/b854c78…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
shaarli	Shaarli	Affected: < 0.16.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-24476",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-27T15:19:45.323810Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-27T15:20:27.830Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Shaarli",
          "vendor": "shaarli",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.16.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Shaarli is a personal bookmarking service. Prior to version 0.16.0, crafting a malicious tag which starting with `\"` prematurely ends the `\u003cinput\u003e` tag on the start page and allows an attacker to add arbitrary html leading to a possible XSS attack. Version 0.16.0 fixes the issue."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "HIGH",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "HIGH",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "ACTIVE",
            "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "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": "2026-01-26T22:26:59.886Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/shaarli/Shaarli/security/advisories/GHSA-g3xq-mj52-f8pg",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/shaarli/Shaarli/security/advisories/GHSA-g3xq-mj52-f8pg"
        },
        {
          "name": "https://github.com/shaarli/Shaarli/commit/b854c789289c4b0dfbb7c1e5793bae7d8f94e063",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/shaarli/Shaarli/commit/b854c789289c4b0dfbb7c1e5793bae7d8f94e063"
        }
      ],
      "source": {
        "advisory": "GHSA-g3xq-mj52-f8pg",
        "discovery": "UNKNOWN"
      },
      "title": "Shaarli vulnerable to stored XSS via Suggested Tags"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-24476",
    "datePublished": "2026-01-26T22:26:59.886Z",
    "dateReserved": "2026-01-23T00:38:20.547Z",
    "dateUpdated": "2026-01-27T15:20:27.830Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

ubuntu-cve-2026-24476

Vulnerability from osv_ubuntu

CVE-2026-24476 (GCVE-0-2026-24476)

Tags

Sightings

Nomenclature