CVE-2025-55291

7.1 highEPSS 0.2%

High (7.1). EPSS 0.2% chance of exploitation in the next 30 days.

Shaarli is a minimalist bookmark manager and link sharing service. Prior to 0.15.0, the input string in the cloud tag page is not properly sanitized. This allows the </title> tag to be prematurely closed, leading to a reflected Cross-Site Scripting (XSS) vulnerability. This vulnerability is fixed in 0.15.0.

Severity

CVSS 3.1

7.1 high

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-31)
CWEs: CWE-79, CWE-80, CWE-87
Published: 2025-08-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/shaarli/Shaarli/commit/66faa61335a6e72184be64092ff1242ffa4fe5b6
https://github.com/shaarli/Shaarli/security/advisories/GHSA-7w7w-pw4j-265h

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