Joomla! Core - [20260101] - Inadequate content filtering for data URLs (Joomla! Project Joomla! CMS)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.21 % · percentile 12 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Joomla
- NVD status
- Analyzed
Description
Lack of input filtering leads to an XSS vector in the HTML filter code related to data URLs in img tags.
Weaknesses (CWE)
- CWE-79 — Improper Neutralization of Input During Web Page Generation
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 4.0 | MEDIUM 5.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U | Joomla |
| CVSS 4.0 | MEDIUM 5.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/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 | NVD · security@joomla.org (Secondary) |
| CVSS 3.1 | MEDIUM 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2026-0998
- GCVE · GCVE-0-2025-63082
CERT-FR advisories
- CERTFR-2026-AVI-0008 — Multiples vulnérabilités dans Joomla! · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*≥ 4.0.0 < 5.4.2cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*≥ 6.0.0 < 6.0.2
Affected products
| Product | Versions |
|---|---|
| Joomla! Project · Joomla! CMS | affected 4.0.0-5.4.1 ; affected 6.0.0-6.0.1 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |