HIGH 7.4 NVD
CVE-2026-18526
HumHub Community Edition 1.18.4 and 1.18.4-pl1 contain a stored Cross-Site Scripting (XSS) vulnerability in the oEmbed confirmation rendering workflow.
HumHub Community Edition 1.18.4 and 1.18.4-pl1 contain a stored Cross-Site Scripting (XSS) vulnerability in the oEmbed confirmation rendering workflow.
References
- https://fluidattacks.com/advisories/greeicy
- https://github.com/humhub/humhub
- https://github.com/humhub/humhub/pull/8373
This high severity vulnerability with a CVSS score of 7.4 was published on 2026-08-19 via NVD.
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