VulnerabilityAnalyzed

CVE-2026-29048

In version 1.18.0, a cross-site scripting vulnerability was identified in the Button component of version 1.18.0.

MEDIUM 6.9EPSS 0.19%

Does this matter?

Lower severity and a low EPSS score (0.19%). Track it; it rarely justifies an emergency change on its own.

Description

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: 6.9 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.19% probability · 9th percentile
CISA KEV: Not listed
Weakness: CWE-79
Affected: humhub/humhub
Source: security-advisories@github.com

References

https://github.com/humhub/humhub/commit/bd06ab4c75f6c65295ee3e1ce3643437e8f9d10aPatch
https://github.com/humhub/humhub/pull/8039Issue Tracking, Patch
https://github.com/humhub/humhub/releases/tag/v1.18.1Product, Release Notes
https://github.com/humhub/humhub/security/advisories/GHSA-qxjh-478x-23gmVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.