What is CVE-2025-57769?

CVE-2025-57769 is a medium-severity vulnerability in Freshrss, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-09-29.

How severe is CVE-2025-57769?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2025-57769 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Freshrss

CVE-2025-57769

FreshRSS is a free, self-hostable RSS aggregator. Versions 1.26.3 and below contain a vulnerability where a specially crafted page can trick a user into executing arbitrary JS code or promoting a user in FreshRSS by obscuring UI elements in iframes. If embedding an authenticated iframe is possible, this may lead to privilege escalation via obscuring the promote user button in the admin UI or XSS by tricking the user to drag content into the UserJS text area. This is fixed in version 1.27.0

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (17.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Freshrss — versions < 1.27.0

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2025-57769?: CVE-2025-57769 is a medium-severity vulnerability in Freshrss, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-09-29.
How severe is CVE-2025-57769?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2025-57769 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.