Vulnerability · Published Jun 23, 2025 · Assigned by GitHub_M

CVE-2025-52558ChangeDetection.io XSS in watch overview

High 7.0

In plain English

A high-severity cross-site scripting in changedetection.io from dgtlmoon. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)7.0High
Exploit odds (30 days)0.6%top 51.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
PyPIchangedetection-io0.50.4GHSA-hwpg-x5hw-vpv9
PyPIchangedetection-io0.50.4PYSEC-2026-1241

Affected products (as reported)

VendorProductVersions
dgtlmoon changedetection.io < 0.50.4

Weakness: CWE-79 · 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

References