Vigil@nce - WordPress Core: Cross Site Scripting via Comments
May 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerability-database-and-alert
SYNTHESIS OF THE VULNERABILITY
An attacker can trigger a Cross Site Scripting via Comments of
WordPress Core, in order to run JavaScript code in the context of
the web site.
Impacted products: Debian, WordPress Core.
Severity: 2/4.
Consequences: client access/rights.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 13/03/2019.
DESCRIPTION OF THE VULNERABILITY
The Core plugin can be installed on WordPress.
However, it does not filter received data via Comments before
inserting them in generated HTML documents.
An attacker can therefore trigger a Cross Site Scripting via
Comments of WordPress Core, in order to run JavaScript code in the
context of the web site.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/WordPress-Core-Cross-Site-Scripting-via-Comments-28738