TinyMCE Cross-Site Scripting (XSS) vulnerability using noscript elements

Impact A cross-site scripting XSS vulnerability was discovered in TinyMCE’s content parsing code. This allowed specially crafted noscript elements containing malicious code to be executed when that content was loaded into the editor. Patches This vulnerability has been patched in TinyMCE 7.2.0,...

PT-2024-7087

Name of the Vulnerable Software and Affected Versions TinyMCE versions prior to 5.11.0 LTS TinyMCE versions prior to 6.8.4 TinyMCE versions prior to 7.2.0 Description A cross-site scripting XSS vulnerability was discovered in TinyMCE’s content parsing code. This allowed specially crafted noscript...

USN-6748-1 ruby-sanitize vulnerabilities

It was discovered that Sanitize incorrectly handled noscript elements under certain circumstances. An attacker could possibly use this issue to execute a cross-site scripting XSS attack. This issue only affected Ubuntu 22.04 LTS. CVE-2023-23627 It was discovered that Sanitize incorrectly handled...

CVE-2023-51652

OWASP AntiSamy .NET is a library for performing cleansing of HTML coming from untrusted sources. Prior to version 1.2.0, there is a potential for a mutation cross-site scripting mXSS vulnerability in AntiSamy caused by flawed parsing of the HTML being sanitized. To be subject to this vulnerabilit...

Cross site scripting

OWASP AntiSamy .NET is a library for performing cleansing of HTML coming from untrusted sources. Prior to version 1.2.0, there is a potential for a mutation cross-site scripting mXSS vulnerability in AntiSamy caused by flawed parsing of the HTML being sanitized. To be subject to this vulnerabilit...

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Overview OWASP.AntiSamy is a library for performing fast, configurable cleansing of HTML coming from untrusted sources. Affected versions of this package are vulnerable to Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' due to flawed parsing of the HTML being...

OWASP.AntiSamy mXSS when preserving comments

Impact There is a potential for a mutation XSS mXSS vulnerability in AntiSamy caused by flawed parsing of the HTML being sanitized. To be subject to this vulnerability the preserveComments directive must be enabled in your policy file and also allow for certain tags at the same time. As a result,...

PT-2023-9150 · Owasp · Owasp Antisamy .Net

Name of the Vulnerable Software and Affected Versions: OWASP AntiSamy .NET versions prior to 1.2.0 Description: The issue is related to a mutation cross-site scripting mXSS vulnerability in AntiSamy caused by flawed parsing of the HTML being sanitized. This vulnerability can be exploited when the...

GHSA-PCF2-GH6G-H5R2 mXSS in AntiSamy

Impact There is a potential for a mutation XSS mXSS vulnerability in AntiSamy caused by flawed parsing of the HTML being sanitized. To be subject to this vulnerability the preserveComments directive must be enabled in your policy file and also allow for certain tags at the same time. As a result,...

PT-2023-8390 · Antisamy +1 · Antisamy +1

Name of the Vulnerable Software and Affected Versions: AntiSamy versions prior to 1.7.4 Description: The issue is related to a mutation XSS mXSS vulnerability in AntiSamy caused by flawed parsing of the HTML being sanitized. To be subject to this vulnerability, the preserveComments directive must...

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...

Cross site scripting

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...

CVE-2023-38500

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...

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...

PT-2023-26481 · Typo3 · Typo3/Html-Sanitizer

Name of the Vulnerable Software and Affected Versions: TYPO3 HTML Sanitizer versions 1.0.0 through 1.5.1 TYPO3 HTML Sanitizer versions 1.0.0 through 2.1.2 Description: The issue arises from an encoding problem in the serialization layer of TYPO3 HTML Sanitizer, allowing malicious markup nested in...

SUSE CVE-2020-6802

In Mozilla Bleach before 3.11, a mutation XSS affects users calling bleach.clean with noscript and a raw tag in the allowed/whitelisted tags option...

SUSE CVE-2021-23974

The DOMParser API did not properly process '' elements for escaping. This could be used as an mXSS vector to bypass an HTML Sanitizer. This vulnerability affects Firefox 86...

Cross-site Scripting (XSS)

Overview sanitize is a Ruby HTML and CSS sanitizer. Affected versions of this package are vulnerable to Cross-site Scripting XSS when a custom allowlist is configured to allow noscript elements. Workarounds Users who are unable to upgrade to the fixed version can prevent this issue by using one o...

CVE-2023-23627

Sanitize is an allowlist-based HTML and CSS sanitizer. Versions 5.0.0 and later, prior to 6.0.1, are vulnerable to Cross-site Scripting. When Sanitize is configured with a custom allowlist that allows noscript elements, attackers are able to include arbitrary HTML, resulting in XSS cross-site...