CVE-2026-93769CWE-79cross-site-scripting

CVE-2026-93769

published September 23, 2026

CVSS
7.2
EPSS
0%
Percentile
19.8
In the wild
Unconfirmed
What it is

HumHub 1.18.5 is affected by a stored cross-site scripting (XSS) vulnerability that allows any user holding the delegated, non-system-administrator Manage Users permission (admin_manage_users) to inject persistent HTML/JavaScript into a Profile Field Category title.

The record
Technical detail
CVSS
7.2 · NONE
CVSS v4.0
7.2 · CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N
EPSS
0.00283 · 19.8th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-23T20:16Z
References (3)
https://fluidattacks.com/advisories/cali · [email protected]https://github.com/humhub/humhub · [email protected]https://github.com/humhub/humhub/pull/8499 · [email protected]
EPSS history
Timeline
  • 25 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 23 SEP 15:49Z
    HumHub 1.18.5 - Stored XSS in Profile Field Category title via HForm#renderForm leading to System Administrator account takeover
    cvelistv5