Markdown-it Project
Markdown-it Project Markdown-it: vulnerabilities and CVEs
Markdown-it Project Markdown-it has 6 published vulnerabilities, 2 of them in the last 12 months. 0 are rated critical and 0 are listed by CISA as actively exploited.
CVEs6
Last 12 months2
Critical0
Actively exploited0
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Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-48988 | Medium (5.3) | 0.43% | — | Jun 17, 2026 | markdown-it is a Markdown parser. Versions 14.1.1 and below contain a denial-of-service vulnerability when typographer: true is enabled, due to quadratic (O(n^2)) processing in the smartquotes rule. The issue stems from… |
| CVE-2026-2327 | Medium (5.5) | 0.68% | — | Feb 12, 2026 | Versions of the package markdown-it from 13.0.0 and before 14.1.1 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… |
| CVE-2025-7969 | Medium (6.9) | 0.24% | — | Aug 21, 2025 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in markdown-it allows Cross-Site Scripting (XSS). This vulnerability is associated with program files… |
| CVE-2015-10005 | High (7.5) | 0.95% | — | Dec 27, 2022 | A vulnerability was found in markdown-it up to 2.x. It has been classified as problematic. Affected is an unknown function of the file lib/common/html_re.js. The manipulation leads to inefficient regular expression… |
| CVE-2022-21670 | Medium (5.3) | 2.2% | — | Jan 10, 2022 | 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… |
| CVE-2015-3295 | Medium (5.3) | 1.3% | — | Jun 7, 2017 | markdown-it before 4.1.0 does not block data: URLs. |