PT-2026-43321 · Joomla · Joomla! Framework Filter Package

Jsst · Published 2026-05-26 · Updated 2026-05-26 · CVE-2026-48903

NVD

CVSS v4.0

6.9

Medium

Base vector

AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-48903

Affected Products

Joomla! Framework Filter Package

References · 2

• https://developer.joomla.org/security-centre/1051-20260519-framework-inadequate-content-filtering-within-the-checkattribute-filter-code.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-48903 · Security Note