github - ghsa-vgm8-mvfh-rj89

GHSA-VGM8-MVFH-RJ89

Vulnerability from github – Published: 2025-08-21 18:31 – Updated: 2025-08-25 06:30

Details

This issue affects markdown-it: 14.1.0.

Severity ?

6.9 (Medium)


                  
                    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

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  "aliases": [
    "CVE-2025-7969"
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-21T17:15:32Z",
    "severity": "MODERATE"
  },
  "details": "Improper Neutralization of Input During Web Page Generation (XSS or \u0027Cross-site Scripting\u0027) vulnerability in markdown-it allows Cross-Site Scripting (XSS). This vulnerability is associated with program files lib/renderer.mjs.\n\nThis issue affects markdown-it: 14.1.0.",
  "id": "GHSA-vgm8-mvfh-rj89",
  "modified": "2025-08-25T06:30:25Z",
  "published": "2025-08-21T18:31:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-7969"
    },
    {
      "type": "WEB",
      "url": "https://github.com/markdown-it/markdown-it/issues/1122"
    },
    {
      "type": "WEB",
      "url": "https://fluidattacks.com/advisories/fito"
    },
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      "type": "WEB",
      "url": "https://github.com/markdown-it/markdown-it"
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  "schema_version": "1.4.0",
  "severity": [
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      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-7969 (GCVE-0-2025-7969)

Vulnerability from cvelistv5 – Published: 2025-08-21 16:40 – Updated: 2025-12-03 21:06

Summary

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.

Severity ?

6.9 (Medium)


                        
                          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

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Assigner

Fluid Attacks

References

URL

Tags

	https://fluidattacks.com/advisories/fito	third-party-advisory
	https://github.com/markdown-it/markdown-it	product

Impacted products

	Vendor	Product	Version
	markdown-it	markdown-it	Affected: 14.1.0 (custom)

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-VGM8-MVFH-RJ89

CVE-2025-7969 (GCVE-0-2025-7969)

Tags

Sightings

Nomenclature