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

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Joomla! Project Joomla! Framework Filter package unaffected
Version Status Constraints
1.0.0-3.0.5 affected —
4.0.0-4.0.1 affected —

Configuration 1 [-]

OR cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Project Subscriptions

Vendors Products
Joomla Subscribe
Joomla\! Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://developer.joomla.org/security-centre/1051-20260519-framework-inadequate-content-filtering-within-the-checkattribute-filter-code.html cve-icon cve-icon
History

Tue, 26 May 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Joomla
Joomla joomla\!
CPEs cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
Vendors & Products Joomla
Joomla joomla\!
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

Tue, 26 May 2026 17:00:00 +0000

Type Values Removed Values Added
Description Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.
Title Joomla! Framework - [20260519] - Inadequate content filtering within the checkAttribute filter code.
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 6.9, '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'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: Joomla

Published:

Updated: 2026-05-26T18:09:17.206Z

Reserved: 2026-05-26T10:06:17.656Z

Link: CVE-2026-48903

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-05-26T17:16:55.077

Modified: 2026-05-26T20:55:57.623

Link: CVE-2026-48903

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-26T19:15:13Z

Weaknesses