XSS in Haxtheweb Issues
CVE-2025-49137
HAX CMS PHP allows users to manage their microsite universe with a PHP backend. Prior to version 11.0.0, the application does not sufficiently sanitize user input, allowing for the execution of arbitrary JavaScript code. The 'saveNode' and…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (51.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N.
Affected products
- Haxtheweb Issues — versions < 11.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/haxtheweb/issues/security/advisories/GHSA-2vc4-3hx7-v7v7 (x_refsource_CONFIRM)
- https://github.com/haxtheweb/haxcms-php/commit/0dd3e98fe2fadd0793b667d4af2aac230980e0f8 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-49137?
- CVE-2025-49137 is a high-severity vulnerability in Haxtheweb Issues, classified under Cross-site Scripting. CVSS score: 8.5/10. Published 2025-06-09.
- How severe is CVE-2025-49137?
- High severity. CVSS v3 base score is 8.5 out of 10.
- Is CVE-2025-49137 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.