21 matches found
Linux Distros Unpatched Vulnerability : CVE-2026-105829
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - League CommonMark from 1.3.0 before 2.10.2 contains a cross-site scripting vulnerability that allows users posting Markdown to bypass the DisallowedRawHtml...
DEBIAN-CVE-2026-105829
League CommonMark from 1.3.0 before 2.10.2 contains a cross-site scripting vulnerability that allows users posting Markdown to bypass the DisallowedRawHtml extension by ending raw HTML with a bare disallowed tag name. Attackers can place a lone script or iframe line followed by a block supplying...
CVE-2026-105829
League CommonMark from 1.3.0 before 2.10.2 contains a cross-site scripting vulnerability that allows users posting Markdown to bypass the DisallowedRawHtml extension by ending raw HTML with a bare disallowed tag name. Attackers can place a lone script or iframe line followed by a block supplying...
CVE-2026-105829
League CommonMark from 1.3.0 before 2.10.2 contains a cross-site scripting vulnerability that allows users posting Markdown to bypass the DisallowedRawHtml extension by ending raw HTML with a bare disallowed tag name. Attackers can place a lone script or iframe line followed by a block supplying...
UBUNTU-CVE-2026-105829
League CommonMark from 1.3.0 before 2.10.2 contains a cross-site scripting vulnerability that allows users posting Markdown to bypass the DisallowedRawHtml extension by ending raw HTML with a bare disallowed tag name. Attackers can place a lone script or iframe line followed by a block supplying...
CVE-2026-105829 League CommonMark 1.3.0 before 2.10.2 Stored XSS via DisallowedRawHtml Bypass
League CommonMark from 1.3.0 before 2.10.2 contains a cross-site scripting vulnerability that allows users posting Markdown to bypass the DisallowedRawHtml extension by ending raw HTML with a bare disallowed tag name. Attackers can place a lone script or iframe line followed by a block supplying...
CVE-2026-105829 League CommonMark 1.3.0 before 2.10.2 Stored XSS via DisallowedRawHtml Bypass
League CommonMark from 1.3.0 before 2.10.2 contains a cross-site scripting vulnerability that allows users posting Markdown to bypass the DisallowedRawHtml extension by ending raw HTML with a bare disallowed tag name. Attackers can place a lone script or iframe line followed by a block supplying...
CVE-2026-105829 League CommonMark 1.3.0 before 2.10.2 Stored XSS via DisallowedRawHtml Bypass
League CommonMark from 1.3.0 before 2.10.2 contains a cross-site scripting vulnerability that allows users posting Markdown to bypass the DisallowedRawHtml extension by ending raw HTML with a bare disallowed tag name. Attackers can place a lone script or iframe line followed by a block supplying...
EUVD-2026-95016
League CommonMark from 1.3.0 before 2.10.2 contains a cross-site scripting vulnerability that allows users posting Markdown to bypass the DisallowedRawHtml extension by ending raw HTML with a bare disallowed tag name. Attackers can place a lone script or iframe line followed by a block supplying...
CVE-2026-105829
The League CommonMark library (versions 1.3.0 before 2.10.2 ) is vulnerable to a Stored Cross-Site Scripting (XSS) flaw. The root cause is a bypass in the DisallowedRawHtml extension, where an attacker can evade restrictions by ending a raw HTML tag with a bare disallowed tag name. By placing a l...
CVE-2026-105829
League CommonMark from 1.3.0 before 2.10.2 contains a cross-site scripting vulnerability that allows users posting Markdown to bypass the DisallowedRawHtml extension by ending raw HTML with a bare disallowed tag name. Attackers can place a lone script or iframe line followed by a block supplying...
CVE-2026-105829
League CommonMark from 1.3.0 before 2.10.2 contains a cross-site scripting vulnerability that allows users posting Markdown to bypass the DisallowedRawHtml extension by ending raw HTML with a bare disallowed tag name. Attackers can place a lone script or iframe line followed by a block supplying...
CVE-2026-105829: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
League CommonMark from 1.3.0 before 2.10.2 contains a cross-site scripting vulnerability that allows users posting Markdown to bypass the DisallowedRawHtml extension by ending raw HTML with a bare disallowed tag name. Attackers can place a lone...
GHSA-97JJ-33GV-5XF9 league/commonmark: DisallowedRawHtml bypassed when a disallowed tag name ends the raw-HTML literal
Summary The DisallowedRawHtml extension does not escape a disallowed tag when the tag name is the last thing in the raw HTML. A Markdown line containing just /i The trailing character class requires one character after the tag name. The block parser does not: RegexHelper::PARTIALHTMLBLOCKOPEN...
league/commonmark: DisallowedRawHtml bypassed when a disallowed tag name ends the raw-HTML literal
Summary The DisallowedRawHtml extension does not escape a disallowed tag when the tag name is the last thing in the raw HTML. A Markdown line containing just /i The trailing character class requires one character after the tag name. The block parser does not: RegexHelper::PARTIALHTMLBLOCKOPEN...
Cross-site Scripting (XSS)
Overview league/commonmark is a PHP-based Markdown parser which supports the full CommonMark spec. It is based on the CommonMark JS reference implementation. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the DisallowedRawHtml process when a disallowed tag name...
PT-2026-107988
Name of the Vulnerable Software and Affected Versions League CommonMark versions 1.3.0 through 2.10.1 Description An issue exists where users posting Markdown can bypass the DisallowedRawHtml extension by ending raw HTML with a bare disallowed tag name. This allows attackers to insert a lone scri...
PT-2026-108804
Summary The DisallowedRawHtml extension does not escape a disallowed tag when the tag name is the last thing in the raw HTML. A Markdown line containing just /i The trailing character class requires one character after the tag name. The block parser does not: RegexHelper::PARTIAL HTMLBLOCKOPEN...
CVE-2026-30838
league/commonmark is a PHP Markdown parser. Prior to version 2.8.1, the DisallowedRawHtml extension can be bypassed by inserting a newline, tab, or other ASCII whitespace character between a disallowed HTML tag name and the closing . For example, would pass through unfiltered and be rendered as a...
CVE-2026-30838: Improper Neutralization of Input During Web Page Generation
league/commonmark is a PHP Markdown parser. Prior to version 2.8.1, the DisallowedRawHtml extension can be bypassed by inserting a newline, tab, or other ASCII whitespace character between a disallowed HTML tag name and the closing . For example,...