CVE-2025-55291: Shaarli

High severity, CVSS 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.

Affected products

• Shaarli Shaarli: before 0.15.0 (fixed in 0.15.0)

Published 2025-08-18. Last modified 2026-06-17.