GHSA-RCPH-X7MJ-54MM

Vulnerability from github – Published: 2026-03-03 20:59 – Updated: 2026-03-03 20:59
VLAI?
Summary
NocoDB Vulnerable to Stored Cross-site Scripting via Comments
Details

Summary

Comments rendered via v-html without sanitization, enabling stored XSS.

Details

Comments in Comments.vue were parsed by markdown-it with html: true and injected via v-html without DOMPurify. A user with Commenter role can inject arbitrary HTML that executes for all viewers.

Impact

Stored XSS — malicious scripts execute for any user viewing the comment.

Credit

This issue was discovered by an AI agent developed by the GitHub Security Lab and reviewed by GHSL team members @p- (Peter Stockli) and @m-y-mo (Man Yue Mo).

Severity ?
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 0.301.2"
      },
      "package": {
        "ecosystem": "npm",
        "name": "nocodb"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.301.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-28397"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-03T20:59:38Z",
    "nvd_published_at": "2026-03-02T17:16:34Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\nComments rendered via `v-html` without sanitization, enabling stored XSS.\n\n### Details\nComments in `Comments.vue` were parsed by markdown-it with `html: true` and injected via `v-html` without DOMPurify. A user with Commenter role can inject arbitrary HTML that executes for all viewers.\n\n### Impact\nStored XSS \u2014 malicious scripts execute for any user viewing the comment.\n\n### Credit\nThis issue was discovered by an AI agent developed by the GitHub Security Lab and reviewed by GHSL team members [@p-](https://github.com/p-) (Peter Stockli) and [@m-y-mo](https://github.com/m-y-mo) (Man Yue Mo).",
  "id": "GHSA-rcph-x7mj-54mm",
  "modified": "2026-03-03T20:59:39Z",
  "published": "2026-03-03T20:59:38Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/nocodb/nocodb/security/advisories/GHSA-rcph-x7mj-54mm"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28397"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/nocodb/nocodb"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nocodb/nocodb/releases/tag/0.301.3"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "NocoDB Vulnerable to Stored Cross-site Scripting via Comments"
}


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  • 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.



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