PT-2025-39918 · Freshrss · Freshrss

Inverle · Published 2025-09-29 · Updated 2025-09-30 · CVE-2025-59948

Positive Technologies (AI Summary)

CVSS v3.1

6.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions FreshRSS versions 1.26.3 and below

Description FreshRSS does not properly sanitize event handler attributes within feed content. This can lead to cross-site scripting (XSS) if a page renders feed entries without a Content Security Policy (CSP). The Allow API access authentication setting must be enabled for exploitation. An attacker can potentially take over an account by sending a change password request, setting UserJS for persistence, stealing autofill passwords, or displaying a phishing page. If the victim is an administrator, administrative actions are also possible. The attack utilizes the /api/query.php endpoint.

Recommendations Update to version 1.27.0 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-59948

GHSA-RWHF-VJJX-GMM9

Affected Products

Freshrss

References · 9

• 🔥 https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-rwhf-vjjx-gmm9 · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/59xxx/CVE-2025-59948.json · Exploit
• https://github.com/FreshRSS/FreshRSS/commit/7df6c201f2e6a6521d20718dfd8d9794c7437d1f · Patch
• https://osv.dev/vulnerability/CVE-2025-59948 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-59948 · Security Note
• https://github.com/FreshRSS/FreshRSS/releases/tag/1.27.0 · Note
• https://t.me/CVEtracker/33680 · Telegram Post
• https://twitter.com/CVEnew/status/1972802188880621994 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1972907839946387759 · Twitter Post