CVE-2026-18526
Severity not reportedData quality: partial.
Some fields were not provided by the source.
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.
CVSS
—
Not reported by the source
Timeline (UTC)
Published: 2026-08-19 15:16
Modified: 2026-10-27 12:10
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-28 11:30 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://fluidattacks.com/advisories/greeicy help@fluidattacks.com
- https://github.com/humhub/humhub help@fluidattacks.com
- https://github.com/humhub/humhub/pull/8373 help@fluidattacks.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-28 11:30 UTC · record ↗
