CVE-2026-115541
HumHub Community Edition 1.19.0 contains a stored cross-site scripting vulnerability in the…
- Risk score
- 43/100
- CVSS
- 7.2 v4.0
- Published
- 3 Nov 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 m…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.2 high
References
- https://fluidattacks.com/advisories/toujours
- https://github.com/humhub/humhub
- https://github.com/humhub/humhub/pull/8624
- https://github.com/humhub/humhub/pull/8625
- https://github.com/humhub/humhub/releases/tag/v1.18.7
- https://github.com/humhub/humhub/releases/tag/v1.19.3
- https://github.com/humhub/humhub/security/advisories/GHSA-ph8x-wg86-qp2m
Original description
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.
Last activity 3 Nov 2026. Patch Forecast updates every hour.