Cross-Site Scripting (XSS)

typo3/html-sanitizer is vulnerable to Cross-Site Scripting XSS. The vulnerability exists because a malicious text embedded in a noscript element was not encoded appropriately due to a serialization layer encoding bug, which allows an attacker to inject and execute arbitrary JavaScript when noscri...

CVE-2023-38500 By-passing Cross-Site Scripting Protection in HTML Sanitizer

TYPO3 HTML Sanitizer is an HTML sanitizer, written in PHP, aiming to provide cross-site-scripting-safe markup based on explicitly allowed tags, attributes and values. Starting in version 1.0.0 and prior to versions 1.5.1 and 2.1.2, due to an encoding issue in the serialization layer, malicious...

By-passing Cross-Site Scripting Protection in HTML Sanitizer

CVSS: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C 4.4 Problem Due to an encoding issue in the serialization layer, malicious markup nested in a noscript element was not encoded correctly. noscript is disabled in the default configuration, but might have been enabled in custom...