changedetection.io is a free open source web page change detection, website watcher, restock monitor and notification service. Prior to version 0.50.4, errors in filters from website page change detection watches were not being filtered resulting in a cross-site scripting (XSS) vulnerability. This issue has been patched in version 0.50.4
https://github.com/dgtlmoon/changedetection.io/security/advisories/GHSA-hwpg-x5hw-vpv9
https://github.com/dgtlmoon/changedetection.io/commit/3d5a544ea674cfce517adcd498877a8d760d0931
Published: 2025-06-23
Updated: 2025-06-23
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
Base Score: 7
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
Severity: High
EPSS: 0.00014