PT-2026-43287 · Joomla+2 · Joomla! Cms+1

Mohamed Elabbas + 1 · Published 2026-05-26 · Updated 2026-05-28 · CVE-2026-25900

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions The product name cannot be determined (affected versions not specified)

Description Lack of output escaping in the feed modules allows for a Cross-Site Scripting (XSS) vector. XSS is a flaw where an application includes untrusted data in a web page without proper validation or escaping, enabling attackers to execute malicious scripts in the victim's browser.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BIT-JOOMLA-2026-25900

CVE-2026-25900

Affected Products

Joomla! Cms

Joomla!

References · 4

• https://developer.joomla.org/security-centre/1033-20260501-core-xss-in-feed-modules.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-25900 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-25900 · Security Note
• https://osv.dev/vulnerability/BIT-joomla-2026-25900 · Vendor Advisory