PT-2025-33676 · Shaarli+1 · Shaarli+1

4Rdr + 1 · Published 2025-08-18 · Updated 2025-09-03 · CVE-2025-55291

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Shaarli versions prior to 0.15.0

Description: Shaarli is a minimalist bookmark manager and link sharing service. Input strings in the cloud tag page are not properly sanitized, allowing premature closure of the </title> tag. This results in a reflected Cross-Site Scripting (XSS) issue.

Recommendations: Update to version 0.15.0 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-87

CWE-80

CWE-79

Related Identifiers

CVE-2025-55291

GHSA-7W7W-PW4J-265H

Affected Products

Debian

Shaarli

References · 16

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55291.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-55291 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-55291 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-55291 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-55291 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-55291 · Security Note
• https://osv.dev/vulnerability/CVE-2025-55291 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-55291 · Vendor Advisory
• https://github.com/shaarli/Shaarli/commit/66faa61335a6e72184be64092ff1242ffa4fe5b6 · Note
• https://github.com/shaarli/Shaarli/security/advisories/GHSA-7w7w-pw4j-265h · Note
• https://twitter.com/VulmonFeeds/status/1957498197007347788 · Twitter Post
• https://twitter.com/cracbot/status/1959209055727353876 · Twitter Post
• https://reddit.com/r/debian/comments/1n79g7f/debian_131_and_1212_20250906 · Reddit Post
• https://twitter.com/CVEnew/status/1957497163682042093 · Twitter Post
• https://twitter.com/cracbot/status/1958846676309090719 · Twitter Post