CVE-2026-29048

Name: CVE-2026-29048
Creator: NVD / NIST
Published: 2026-03-06T07:16:01.92+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.9/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2026-29048 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. 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. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS 4.0

6.9/10

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

EPSS Probability

0.19%

9.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Humhub	Humhub	1.18.0

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

Timeline

Published: Mar 6, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-29048?

How severe is CVE-2026-29048?

CVE-2026-29048 has a CVSS score of 6.9/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2026-29048?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-29048?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST