XSS in Humhub
CVE-2026-93769
HumHub 1.18.5 is affected by a stored cross-site scripting (XSS) vulnerability that allows any user holding the delegated, non-system-administrator Manage Users permission (admin_manage_users) to inject persistent HTML/JavaScript into a Profile Field Category title.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Humhub — versions 1.18.5
Weakness classification (CWE)
References
- fluidattacks.com/advisories/cali (third-party-advisory)
- github.com/humhub/humhub (product)
- github.com/humhub/humhub/pull/8499 (patch)