ChangeDetection.io XSS in watch overview
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
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
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| dgtlmoon | changedetection.io | before 0.50.4 | 0.50.4 | Patch available | CNA |
| — | changedetection.io (PyPI) | before 0.50.4 | 0.50.4 | Patch available | GHSA-hwpg-x5hw-vpv9 |
- changedetection.io Vendordgtlmoon Affected before 0.50.4 Fixed in 0.50.4 Patch available CNA
- changedetection.io (PyPI) Vendor— Affected before 0.50.4 Fixed in 0.50.4 Patch available GHSA-hwpg-x5hw-vpv9
Remediation
- Fix · CNA changedetection.io (dgtlmoon) Fixed in 0.50.4
- Fix · GHSA-hwpg-x5hw-vpv9 changedetection.io (PyPI) Fixed in 0.50.4 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-52558
- 2026-10-03 Alias added: GHSA-hwpg-x5hw-vpv9
References
More dgtlmoon vulnerabilities
- TI-2024-21533 Server Side Template Injection in Jinja2 allows Remote Command Execution CVSS 3.1CRITICAL 10.0
- TI-2026-27619 changedetection.io has an Authentication Bypass via Decorator Ordering CVSS 3.1CRITICAL 9.8
- TI-2026-23210 changedetection.io: Zip Slip vulnerability in the backup restore functionality CVSS 4.0HIGH 8.8
- TI-2026-62554 changedetection.io through 0.60.6 SSRF via browser-step Goto URL CVSS 4.0HIGH 8.7
- TI-2026-22073 changedetection.io Vulnerable to Server-Side Request Forgery (SSRF) via Watch URLs CVSS 3.1HIGH 8.6
- TI-2024-37396 changedetection.io has Improper Input Validation Leading to LFR/Path Traversal CVSS 3.1HIGH 8.6
Sources
- CVE-2025-52558 · CVE Program
- CVE-2025-52558 · NVD
- FIRST EPSS
- GHSA-hwpg-x5hw-vpv9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences