# CVE-2025-55291

## Summary

- **CVE ID:** CVE-2025-55291
- **Severity:** HIGH
- **CVSS Score:** 7.1 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N)
- **CWE:** CWE-80, CWE-87, CWE-79
- **Published:** Aug 18, 2025
- **Last Modified:** Mar 12, 2026

## Description

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.

## Affected Products

- shaarli — Shaarli (< 0.15.0)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.23%
- **EPSS Percentile:** 14.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._