CVE-2026-29048 describes a cross-site scripting (XSS) vulnerability in HumHub version 1.18.0, specifically within the Button component, due to inconsistent output encoding. This medium-severity vulnerability (CVSS 6.9) allows for the injection and execution of malicious scripts in a user's browser, requiring no user interaction for exploitation. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, and the issue has been patched in HumHub version 1.18.1.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.18.0CPE matchmatch criteria | cpe:2.3:a:humhub:humhub:1.18.0:-:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.