Vulnerability Description
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.
Related Weaknesses (CWE)
References
- https://fluidattacks.com/advisories/greeicy
- https://github.com/humhub/humhub
- https://github.com/humhub/humhub/pull/8373
FAQ
What is CVE-2026-18526?
CVE-2026-18526 is a documented vulnerability. 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.
How severe is CVE-2026-18526?
CVSS scoring is not yet available for CVE-2026-18526. Check NVD for updates.
Is there a patch for CVE-2026-18526?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.