GHSA-RRFF-CHJ9-W4C7 Apache JSPWiki Cross-Site Scripting (XSS) Vulnerability via Header Link Rendering

A carefully crafted request when creating a header link using the wiki markup syntax, which could allow the attacker to execute javascript in the victim's browser and get some sensitive information about the victim. Further research by the JSPWiki team showed that the markdown parser allowed this...

CVE-2025-24853 Apache JSPWiki: Cross-Site Scripting (XSS) in JSPWiki Header Link processing

A carefully crafted request when creating a header link using the wiki markup syntax, which could allow the attacker to execute javascript in the victim's browser and get some sensitive information about the victim. Further research by the JSPWiki team showed that the markdown parser allowed this...

CVE-2025-24853 Apache JSPWiki: Cross-Site Scripting (XSS) in JSPWiki Header Link processing

A carefully crafted request when creating a header link using the wiki markup syntax, which could allow the attacker to execute javascript in the victim's browser and get some sensitive information about the victim. Further research by the JSPWiki team showed that the markdown parser allowed this...

Regular Expression Denial of Service (ReDoS)

Overview markdown-it is a modern pluggable markdown parser. Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching...

CVE-2022-21670

markdown-it is a Markdown parser. Prior to version 1.3.2, special patterns with length greater than 50 thousand characterss could slow down the parser significantly. Users should upgrade to version 12.3.2 to receive a patch. There are no known workarounds aside from upgrading...

CVE-2020-15820

In JetBrains YouTrack before 2020.2.6881, the markdown parser could disclose hidden file existence...

CVE-2019-16215

The Markdown parser in Zulip server before 2.0.5 used a regular expression vulnerable to exponential backtracking. A user who is logged into the server could send a crafted message causing the server to spend an effectively arbitrary amount of CPU time and stall the processing of future messages...

CVE-2025-46734

league/commonmark is a PHP Markdown parser. A cross-site scripting XSS vulnerability in the Attributes extension of the league/commonmark library versions 1.5.0 through 2.6.x allows remote attackers to insert malicious JavaScript calls into HTML. The league/commonmark library provides configurati...

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 via the AttributesExtension. If the Attributes extension is in...

UBUNTU-CVE-2025-46734

league/commonmark is a PHP Markdown parser. A cross-site scripting XSS vulnerability in the Attributes extension of the league/commonmark library versions 1.5.0 through 2.6.x allows remote attackers to insert malicious JavaScript calls into HTML. The league/commonmark library provides configurati...

CVE-2025-46734

CVE-2025-46734 affects the PHP Markdown parser league/commonmark, specifically the Attributes extension (versions 1.5.0–2.6.x). The vulnerability allows injection of dangerous HTML attributes via Markdown syntax (e.g., curly braces) that can bypass HTML sanitization settings. Version 2.7.0 mitiga...

CVE-2025-46734 league/commonmark Cross-site Scripting vulnerability in Attributes extension

league/commonmark is a PHP Markdown parser. A cross-site scripting XSS vulnerability in the Attributes extension of the league/commonmark library versions 1.5.0 through 2.6.x allows remote attackers to insert malicious JavaScript calls into HTML. The league/commonmark library provides configurati...

CVE-2025-46734 league/commonmark Cross-site Scripting vulnerability in Attributes extension

league/commonmark is a PHP Markdown parser. A cross-site scripting XSS vulnerability in the Attributes extension of the league/commonmark library versions 1.5.0 through 2.6.x allows remote attackers to insert malicious JavaScript calls into HTML. The league/commonmark library provides configurati...

CVE-2025-46734 league/commonmark Cross-site Scripting vulnerability in Attributes extension

league/commonmark is a PHP Markdown parser. A cross-site scripting XSS vulnerability in the Attributes extension of the league/commonmark library versions 1.5.0 through 2.6.x allows remote attackers to insert malicious JavaScript calls into HTML. The league/commonmark library provides configurati...

commonmark 跨站脚本漏洞

commonmark is a highly extensible PHP Markdown parser open-sourced by The League of Extraordinary Packages, with full support for the CommonMark and GFM specifications. A cross-site scripting vulnerability exists in commonmark versions 1.5.0 through 2.6.x. The vulnerability stems from the...

Linux Distros Unpatched Vulnerability : CVE-2022-21681

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Marked is a markdown parser and compiler. Prior to version 4.0.10, the regular expression inline.reflinkSearch may cause catastrophic backtracking against some...

Linux Distros Unpatched Vulnerability : CVE-2023-42821

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Prior to pseudoversion...

CVE-2024-41662

VNote is a note-taking platform. A Cross-Site Scripting XSS vulnerability has been identified in the Markdown rendering functionality of versions 3.18.1 and prior of the VNote note-taking application. This vulnerability allows the injection and execution of arbitrary JavaScript code through which...

Inefficient Algorithmic Complexity

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 Inefficient Algorithmic Complexity through the parsing of specially crafted Markdown...

Denial Of Service (DoS)

github.com/gomarkdown/markdown is vulnerable to Denial Of Service DoS. The vulnerability is due to a logical problem in the paragraph function of the parser/block.go file, which allows a remote attacker to cause an infinite loop by providing specially crafted input, resulting in the program hangi...