CVE-2026-48903
Joomla! Framework - [20260519] - Inadequate content filtering within the checkAttribute filter code.
EPSS 0.01%
Description
Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.
How to fix CVE-2026-48903
To remediate CVE-2026-48903, upgrade the affected package to a fixed version below.
- Bitnami/joomla—upgrade to 5.4.6 or later
Is CVE-2026-48903 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 3.0.0, < 5.4.6, >= 6.0.0, < 6.1.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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/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 |