CVE-2026-48903 — MEDIUM (6.1)

Q: What is CVE-2026-48903?

CVE-2026-48903 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.

Q: How severe is CVE-2026-48903?

CVE-2026-48903 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-48903?

Check the references section above for vendor advisories and patch information. Affected products include: Joomla Joomla\!.

Vulnerability Description

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

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Joomla	Joomla\!	>= 3.0.0, < 5.4.6

Related Weaknesses (CWE)

CWE-79

References

https://developer.joomla.org/security-centre/1051-20260519-framework-inadequate-Vendor Advisory

FAQ

What is CVE-2026-48903?

CVE-2026-48903 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.

How severe is CVE-2026-48903?

CVE-2026-48903 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-48903?

Check the references section above for vendor advisories and patch information. Affected products include: Joomla Joomla\!.