Known Vulnerabilities for products from Thephpleague

Listed below are 9 of the newest known vulnerabilities associated with the vendor "Thephpleague".

These CVEs are retrieved based on exact matches on listed vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed vendor information are still displayed.

Data on known vulnerable products is also displayed based on information from known CPEs, each product links to its respective vulnerability page.

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-86431 json league/commonmark (thephpleague/commonmark) versions >= 2.7.0 and < 2.9.1 contain a cross-site scripting vulnerability in the... Not Provided 2026-09-07 2026-09-09
CVE-2026-86430 json league/commonmark versions before 2.9.1 contain multiple denial of service vulnerabilities in fenced code block detection, re... Not Provided 2026-09-07 2026-09-10
CVE-2026-86429 json The league/commonmark (thephpleague/commonmark) library in versions >= 1.5.0 and < 2.9.1 contains quadratic parsing complexit... Not Provided 2026-09-07 2026-09-19
CVE-2026-86428 json commonmark versions from 1.5.0 before 2.10.0 contain a denial of service vulnerability in the AttributesExtension when proces... Not Provided 2026-09-07 2026-09-09
CVE-2026-33347 json league/commonmark is a PHP Markdown parser. From version 2.3.0 to before version 2.8.2, the DomainFilteringAdapter in the Emb... Not Provided 2026-03-24 2026-04-08
CVE-2023-37260 json league/oauth2-server is an implementation of an OAuth 2.0 authorization server written in PHP. Starting in version 8.3.2 and ... 7.5 - HIGH 2023-07-06 2023-07-13
CVE-2021-32708 json Flysystem is an open source file storage library for PHP. The whitespace normalisation using in 1.x and 2.x removes any unico... 8.1 - HIGH 2021-06-24 2023-11-07
CVE-2019-10010 json Cross-site scripting (XSS) vulnerability in the PHP League CommonMark library before 0.18.3 allows remote attackers to insert... 6.1 - MEDIUM 2019-03-24 2019-03-26
CVE-2018-20583 json Cross-site scripting (XSS) vulnerability in the PHP League CommonMark library versions 0.15.6 through 0.18.x before 0.18.1 al... 6.1 - MEDIUM 2018-12-30 2019-01-15

Known software with vulnerabilities from Thephpleague

Type Vendor Product Version
ApplicationThephpleagueCommonmark0.10.0

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