/Vulnerability Library

Changedetection.io RSS Single Watch - Cross-Site Scripting

CVE-2026-27645
Verified

Description

changedetection.io < 0.54.1 contains a stored XSS caused by unescaped reflection of UUID path parameter in RSS single-watch endpoint, letting remote attackers execute JavaScript in victim's browser, exploit requires victim to visit crafted URL.

Severity

Medium

CVSS Score

6.1

Exploit Probability

0%

Published Date

February 27, 2026

Template Author

0x_akoko

CVE-2026-27645.yaml
6.1Score

CVSS Metrics

CVSS Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVE ID:
cve-2026-27645
CWE ID:
cwe-79

References

https://github.com/dgtlmoon/changedetection.io/security/advisories/GHSA-mw8m-398g-h89whttps://github.com/dgtlmoon/changedetection.io/commit/a385c89abf44b52fcfa20c7c6a6dd3047c4c1eb5https://nvd.nist.gov/vuln/detail/CVE-2026-27645

Remediation Steps

Update to version 0.54.1 or later.