XSS in Humhub
CVE-2025-64442
HumHub is an Open Source Enterprise Social Network. Versions below 1.17.4 have a XSS vulnerability in the Meta-Search feature which allows malicious input to be executed in search previews. This issue is fixed in version 1.17.4.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (12.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Humhub — versions < 1.17.4
Weakness classification (CWE)
References
- github.com/humhub/humhub/security/advisories/GHSA-2hgp-33j2-93cc (Patch, Vendor Advisory)
- github.com/humhub/humhub/pull/7814 (Patch)
- github.com/humhub/humhub/releases/tag/v1.17.4 (Release Notes)
Frequently asked questions
- What is CVE-2025-64442?
- CVE-2025-64442 is a medium-severity vulnerability in Humhub, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-11-07.
- How severe is CVE-2025-64442?
- Medium severity. CVSS v3 base score is 6.1 out of 10.