Joomla!.CMS.Protostar.Template.error.php.Stored.XSS

description-logoDescription

This indicates an attack attempt to exploit a Cross-Site Scripting Vulnerability in Joomla! CMS.
The vulnerability is due to improper validation of the logoFile parameter in the error.php of the Protostar template. A remote, authenticated attacker can exploit the vulnerability by sending a crafted request to the server. Successful exploitation could result in the execution of arbitrary script code in the target user's browser.

affected-products-logoAffected Products

Joomla! CMS 3.0.0 through 3.9.25

Impact logoImpact

System Compromise: Remote attackers can execute arbitrary script code in the context of the affected application.

recomended-action-logoRecommended Actions

Apply the most recent upgrade or patch from the vendor.
https://developer.joomla.org/security-centre/850-20210401-core-escape-xss-in-logo-parameter-error-pages.html

Telemetry logoTelemetry

Coverage

IPS (Regular DB)
IPS (Extended DB)

Version Updates

Date Version Detail
2021-05-11 18.076 Default_action:pass:drop
2021-05-03 18.071