CVE-2025-7969: markdown-it_project markdown-it Cross-site Scripting
Vulnerability summary
CVE-2025-7969 is a medium (CVSS 6.9) Cross-site Scripting vulnerability in markdown-it_project markdown-it. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.8% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 21-08-2025PublishedVulnerability first disclosed.
- 03-12-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
6 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.9MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- NVDNIST6.9MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- OSV · DebianEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
+0.01 pp
From 0.24% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (fluidattacks.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- node-markdown-itAll versions (No fix recorded)
Markdown-it1 product
- markdown-it14.1.0
Markdown-it_project1 product
- markdown-it14.1.0
Ubuntu1 product
- node-markdown-itAll versions (No fix recorded)
4 vendors · 4 products
References
6 links- github.com/markdown-it/markdown-it/issues/1122Issue Tracking
