CVE-2026-48903 MEDIUM

CVE-2026-48903: Joomla! Framework - [20260519] - Inadequate content filtering within the checkAttribute filter code.

Vendor Joomla! Project
Product Joomla! Framework Filter package
Weakness CWE-79 · XSS
Published May 26, 2026
Last update May 27, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

Description

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

Key dates

Disclosure timeline

May 26, 2026 CVE published
May 27, 2026 Record updated