Vulnerability · Published Aug 21, 2025 · Assigned by Fluid Attacks
CVE-2025-7969Markdown-it 14.1.0 - Cross-site scripting (XSS)
Medium 6.9
In plain English
A medium-severity cross-site scripting in markdown-it from markdown-it. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.3%top 83.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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 lib/renderer.mjs. This issue affects markdown-it: 14.1.0. NOTE: the Supplier does not consider this issue to be a vulnerability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | node-markdown-it | no fix listed | DEBIAN-CVE-2025-7969 |
| Debian:13 | node-markdown-it | no fix listed | DEBIAN-CVE-2025-7969 |
| Debian:14 | node-markdown-it | no fix listed | DEBIAN-CVE-2025-7969 |
| Ubuntu:22.04:LTS | node-markdown-it | no fix listed | UBUNTU-CVE-2025-7969 |
| Ubuntu:24.04:LTS | node-markdown-it | no fix listed | UBUNTU-CVE-2025-7969 |
| Ubuntu:25.10 | node-markdown-it | no fix listed | UBUNTU-CVE-2025-7969 |
| Ubuntu:26.04:LTS | node-markdown-it | no fix listed | UBUNTU-CVE-2025-7969 |
| Ubuntu:26.10 | node-markdown-it | no fix listed | UBUNTU-CVE-2025-7969 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| markdown-it | markdown-it | 14.1.0 |
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N