CVE-2026-29048

HumHub: XSS in Button component

CVSS 6.9 MEDIUMEPSS 0.2%CWE-79

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.9EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

06 Mar 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

HumHub is an Open Source Enterprise Social Network. In version 1.18.0, a cross-site scripting vulnerability was identified in the Button component of version 1.18.0. Due to inconsistent output encoding at several points within the software, malicious scripts could be injected and executed in the context of the user's browser. This issue has been patched in version 1.18.1.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Affected products

humhub · humhub

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References

https://github.com/humhub/humhub/commit/bd06ab4c75f6c65295ee3e1ce3643437e8f9d10a https://github.com/humhub/humhub/pull/8039 https://github.com/humhub/humhub/releases/tag/v1.18.1 https://github.com/humhub/humhub/security/advisories/GHSA-qxjh-478x-23gm