Typo3 Html Sanitizer vulnerabilities
6 known vulnerabilities affecting typo3/html_sanitizer.
Total CVEs
6
CISA KEV
0
Public exploits
0
Exploited in wild
0
Severity breakdown
MEDIUM5LOW1
Vulnerabilities
Page 1 of 1
CVE-2026-47345P4MEDIUMCVSS 5.1fixed in 2.3.22026-06-08
CVE-2026-47345 [MEDIUM] CWE-79 CVE-2026-47345: Namespace attributes are not encoded correctly during HTML serialization. This allows bypassing the
Namespace attributes are not encoded correctly during HTML serialization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitizer before version 2.3.2.
nvd
CVE-2022-36020P4MEDIUMCVSS 6.1≥ 1.0.0, < 1.0.7≥ 2.0.0, < 2.0.162022-09-13
CVE-2022-36020 [MEDIUM] CWE-79 CVE-2022-36020: The typo3/html-sanitizer package is an HTML sanitizer, written in PHP, aiming to provide XSS-safe ma
The typo3/html-sanitizer package is an HTML sanitizer, written in PHP, aiming to provide XSS-safe markup based on explicitly allowed tags, attributes and values. Due to a parsing issue in the upstream package `masterminds/html5`, malicious markup used in a sequence with special HTML comments cannot be filtered and sanitized. This allows for a bypass
nvd
CVE-2023-47125P4MEDIUMCVSS 6.1≥ 1.0.0, < 1.5.3≥ 2.0.0, < 2.1.42023-11-14
CVE-2023-47125 [MEDIUM] CWE-79 CVE-2023-47125: TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affec
TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of typo3/html-sanitizer. This vulnerability has been addressed in versions 1.5.3 and 2.1.4. Users are advised to upgrade. There
nvd
CVE-2022-23499P4MEDIUMCVSS 6.1≥ 1.0.0, ≤ 1.0.7≥ 2.0.0, < 2.1.12022-12-13
CVE-2022-23499 [MEDIUM] CWE-79 CVE-2022-23499: HTML sanitizer is written in PHP, aiming to provide XSS-safe markup based on explicitly allowed tags
HTML sanitizer is written in PHP, aiming to provide XSS-safe markup based on explicitly allowed tags, attributes and values. In versions prior to 1.5.0 or 2.1.1, malicious markup used in a sequence with special HTML CDATA sections cannot be filtered and sanitized due to a parsing issue in the upstream package masterminds/html5. This allows bypassing
nvd
CVE-2023-38500P4MEDIUMCVSS 6.1≥ 1.0.0, < 1.5.1≥ 2.0.0, < 2.1.22023-07-25
CVE-2023-38500 [MEDIUM] CWE-79 CVE-2023-38500: TYPO3 HTML Sanitizer is an HTML sanitizer, written in PHP, aiming to provide cross-site-scripting-sa
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 markup nested in a `noscript` element was not encoded cor
nvd
CVE-2026-47344P4LOWCVSS 2.1fixed in 2.3.22026-06-08
CVE-2026-47344 [LOW] CWE-79 CVE-2026-47344: When ALLOW_INSECURE_RAW_TEXT is enabled, whitespace-variant closing tags (e.g., </style\t>) are not
When ALLOW_INSECURE_RAW_TEXT is enabled, whitespace-variant closing tags (e.g., ) are not recognized by the sanitizer but accepted by browsers as valid end tags, allowing subsequent content to escape sanitization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitizer before version 2.3.2.
nvd