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Vulnerabilities

Vulnerability · 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).

Published Aug 21, 2025 · catalog updated Dec 3, 2025 · Improper Neutralization of Input

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-7969. EPSS is 0.25%. Act only if a listed version of Improper Neutralization of Input is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Improper Neutralization of Input).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.25%
Remediation
Vendor / distro source
Affected products
vendor markdown-it markdown-it 14.1.0

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor markdown-it markdown-it 14.1.014.1.0

How to fix CVE-2025-7969

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-7969. EPSS is 0.25%. Act only if a listed version of Improper Neutralization of Input is installed.

Which versions are affected?

Compare what you have installed with markdown-it markdown-it 14.1.0 14.1.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.25%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 21, 2025 · EUVD

    Detected

    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.

  2. Dec 3, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-7969

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-7969

    30-day exploitation probability 0.25%

    first.org
  • EUVDVulnerability recordEUVD-2025-25465

    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 Supp

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 22, 2026
  • EUVDOct 22, 2026