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High

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-35625

An issue was discovered in the Widgets extension for MediaWiki through 1.35.1. Any user with the ability to edit pages within the Widgets namespace could call any static function within any class (defined within PHP or MediaWiki) via a crafted HTML comment, related to a Smarty template. For example, a person in the Widget Editors group could use \MediaWiki\Shell\Shell::command within a comment.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2020-35625
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 06:50 UTC · Revision 1

Source evidence

CVE-2020-35625

core-osv · Original source

Published 21 Dec 2020, 23:15 UTC

An issue was discovered in the Widgets extension for MediaWiki through 1.35.1. Any user with the ability to edit pages within the Widgets namespace could call any static function within any class (defined within PHP or MediaWiki) via a crafted HTML comment, related to a Smarty template. For example, a person in the Widget Editors group could use \MediaWiki\Shell\Shell::command within a comment.

osv:CVE-2020-35625
Complete source record
{
  "id": "2e0fe74208fd1ff686e95951cf1e89be4903fda1f7b59f3dc98d3f01998b53c9",
  "url": "https://osv.dev/vulnerability/CVE-2020-35625",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-35625",
    "summary": "An issue was discovered in the Widgets extension for MediaWiki through 1.35.1. Any user with the ability to edit pages within the Widgets namespace could call any static function within any class (defined within PHP or MediaWiki) via a crafted HTML comment, related to a Smarty template. For example, a person in the Widget Editors group could use \\MediaWiki\\Shell\\Shell::command within a comment.",
    "evidence": "osv:CVE-2020-35625",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-35625",
      "aliases": [
        "BIT-mediawiki-2020-35625",
        "CVE-2020-35625"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wikimedia/mediawiki",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "3e26b5ff1468f98cf306575d125b29a6645bf2ea"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.35.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.35.1",
            "1.35.0",
            "1.35.0-rc.3",
            "1.35.0-rc.2",
            "1.35.0-rc.1",
            "1.35.0-rc.0",
            "test-hashar-for-ci",
            "1.6.0",
            "1.5.0beta4",
            "1.5.0beta3",
            "1.5.0beta2",
            "1.5.0beta1",
            "1.5.0alpha2",
            "1.5.0alpha1",
            "1.3.0beta1",
            "1.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35625.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:45.223023672Z",
      "provider": "osv",
      "references": [
        "https://gerrit.wikimedia.org/r/q/Ic899a8b15bc510e61cdacb5c024af2d226a2dbeb",
        "https://phabricator.wikimedia.org/T269718"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-35625",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436076,
  "published_at": "2020-12-21T23:15:12.53+00:00"
}