XSS in Markdown-It
CVE-2025-7969
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (13.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Markdown-It — versions 14.1.0
- Markdown-It Project — versions 14.1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- fluidattacks.com/advisories/fito (Exploit, Third Party Advisory, third-party-advisory)
- github.com/markdown-it/markdown-it (Product, product)
- af854a3a-2127-422b-91ae-364da2661108 (Issue Tracking)
Frequently asked questions
- What is CVE-2025-7969?
- CVE-2025-7969 is a medium-severity vulnerability in Markdown-It, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-08-21.
- How severe is CVE-2025-7969?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2025-7969 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.