CVE-2026-115541
Severity not reportedHumHub Community Edition 1.19.0 contains a stored cross-site scripting vulnerability in the friendship confirmation dialog.
HumHub Community Edition 1.19.0 contains a stored cross-site scripting vulnerability in the friendship confirmation dialog. An authenticated low-privileged member can save HTML in their first and last name. When another authenticated user clicks Friends for that profile, HumHub places the decoded display name into a modal through jQuery html(), causing attacker-controlled markup to execute in the victim's HumHub origin.
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://fluidattacks.com/advisories/toujours help@fluidattacks.com
- https://github.com/humhub/humhub help@fluidattacks.com
- https://github.com/humhub/humhub/pull/8624 help@fluidattacks.com
- https://github.com/humhub/humhub/pull/8625 help@fluidattacks.com
- https://github.com/humhub/humhub/releases/tag/v1.18.7 help@fluidattacks.com
- https://github.com/humhub/humhub/releases/tag/v1.19.3 help@fluidattacks.com
- https://github.com/humhub/humhub/security/advisories/GHSA-ph8x-wg86-qp2m help@fluidattacks.com

