CVE-2026-79363CWE-79cross-site-scripting

CVE-2026-79363

Medium · published October 9, 2026

CVSS v3.1
5.9
EPSS
0%
Percentile
6.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00177 · 6.9th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-10-09T18:17Z
References (3)
https://www.faydin.blog/cves/cves.html · [email protected]https://www.faydin.blog/en/cves/CVE-2026-79363/ · [email protected]https://www.faydin.blog/en/cves/CVE-2026-79363/ · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 11 OCT 03:32Z
    EPSS moved — → 0%
    epss
  • 09 OCT 00:00Z
    Cloudron 9.1.7 and 9.2 contain a stored cross-site scripting (XSS) vulnerability in the Branding Footer feature
    cvelistv5
  • 09 OCT 00:00Z
    Cloudron 9.1.7 and 9.2 contain a stored cross-site scripting (XSS) vulnerability in the Branding Footer feature
    cvelistv5