Parsedown is a lightweight, widely adopted PHP Markdown parser library embedded in numerous web applications and content management systems, where its parsing and HTML-generation role creates inherent exposure to input-handling flaws. The vendor's vulnerability profile centers on cross-site scripting weaknesses arising from improper neutralization of user-supplied input during HTML output, a class of issue endemic to text-processing libraries that must balance permissive markup support with security boundaries. Current severity, exploitation activity, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Parsedown over time
Signals from CVEs in this vendor scope (2 CVEs).
2 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2019-10905HIGH Parsedown before 1.7.2, when safe mode is used and HTML markup is disabled, might allow attackers to execute arbitrary JavaScript code if a script (already running on the affected | Apr 6, 2019 | 8.1 | 26 | NO | NO |
CVE-2018-1000162MEDIUM Parsedown version prior to 1.7.0 contains a Cross Site Scripting (XSS) vulnerability in `setMarkupEscaped` for escaping HTML that can result in JavaScript code execution. This atta | Apr 18, 2018 | 6.1 | 20 | NO | NO |
Signals from CVEs in this vendor scope (2 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Parsedown.
Media articles that mention a CVE ID that affects a product developed by Parsedown — matched by CVE ID, not by vendor name.