XSS Vulnerability in Shaarli Personal Bookmarking Service
CVE-2026-24476

5.3MEDIUM

Key Information:

Vendor

Shaarli

Status
Shaarli
Vendor
CVE Published:
26 January 2026

What is CVE-2026-24476?

Shaarli, a personal bookmarking service, contained a vulnerability that allowed the creation of a malicious tag beginning with a double quote ('"'). This flaw led to the premature termination of the <input> tag on the start page, enabling an attacker to inject arbitrary HTML content. Such a weakness opened avenues for potential XSS attacks, compromising the integrity of user data and experience. The issue was addressed in version 0.16.0, which introduced fixes to mitigate the injection risk.

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Affected Version(s)

Shaarli < 0.16.0

References

https://github.com/shaarli/Shaarli/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/shaarli/Shaarli/commit/b854c789289c4b0...
x_refsource_MISC

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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