CVE-2026-77993CWE-79cross-site-scripting

CVE-2026-77993

published August 24, 2026

CVSS
5.3
EPSS
0%
Percentile
36.9
In the wild
Unconfirmed
What it is

Joomla Extension - joomlack.fr - Reflected XSS in Page Builder CK < 3.6.5 - The Joomla extension Page Builder CK is vulnerable to a reflected XSS via the iscontenttype parameter.

The record
Technical detail
CVSS
5.3 · NONE
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
EPSS
0.00436 · 36.9th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-24T12:16Z
References (1)
https://www.joomlack.fr/ · [email protected]
EPSS history
Timeline
  • 24 AUG 08:00Z
    Joomla Extension - joomlack.fr - Reflected XSS in Page Builder CK < 3.6.5
    cvelistv5