CVE-2026-79363

medium

Cloudron 9.1.7 and 9.2 contain a stored cross-site scripting (XSS) vulnerability in the Branding Footer feature.

Cloudron 9.1.7 and 9.2 contain a stored cross-site scripting (XSS) vulnerability in the Branding Footer feature. An authenticated administrator can store crafted HTML containing JavaScript event handlers in the Footer setting. The stored value is rendered without sufficient sanitization on the public login / OpenID interaction page and in the System Event Log, causing attacker-controlled JavaScript to execute in the Cloudron web origin when an affected page is viewed.

CVSS

5.9

5.9 (CVSS v3.1)

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

Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)

Timeline (UTC)

Published: 2026-10-09 14:17

Modified: 2026-10-09 21:17

NVD status: Deferred

Last synced 2 days ago

Verified against the source API 2026-10-27 06:58 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)

CWE-79

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://www.faydin.blog/cves/cves.html cve@mitre.org
https://www.faydin.blog/en/cves/CVE-2026-79363/ cve@mitre.org
https://www.faydin.blog/en/cves/CVE-2026-79363/ 134c704f-9b21-4f2e-91b3-4a467353bcc0

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 06:58 UTC · record ↗

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