FKIE_CVE-2026-0817

Vulnerability from fkie_nvd - Published: 2026-01-09 16:16 - Updated: 2026-02-10 20:20
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
Missing Authorization vulnerability in Wikimedia Foundation MediaWiki - CampaignEvents extension allows Privilege Abuse.This issue affects MediaWiki - CampaignEvents extension: 1.45, 1.44, 1.43, 1.39.
References
c4f26cc8-17ff-4c99-b5e2-38fc1793eacchttps://gerrit.wikimedia.org/r/q/I7ed0049691258c8bd2555e599b9b88490fbe3358Patch
c4f26cc8-17ff-4c99-b5e2-38fc1793eacchttps://phabricator.wikimedia.org/T410560Issue Tracking
Impacted products
Vendor Product Version
wikimedia campaignevents 1.39
wikimedia campaignevents 1.43
wikimedia campaignevents 1.44
wikimedia campaignevents 1.45
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wikimedia:campaignevents:1.39:*:*:*:*:mediawiki:*:*",
              "matchCriteriaId": "0B6BEF5F-A467-4230-A440-87D592FD7744",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:wikimedia:campaignevents:1.43:*:*:*:*:mediawiki:*:*",
              "matchCriteriaId": "2537B774-AB5F-478B-83B3-692B54EEC11F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:wikimedia:campaignevents:1.44:*:*:*:*:mediawiki:*:*",
              "matchCriteriaId": "1B99FC40-65D2-4940-AEF2-7FC9C8E5706D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:wikimedia:campaignevents:1.45:*:*:*:*:mediawiki:*:*",
              "matchCriteriaId": "6EBE5683-3C99-4FF6-BA80-F016F23B1CED",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Missing Authorization vulnerability in Wikimedia Foundation MediaWiki - CampaignEvents extension allows Privilege Abuse.This issue affects MediaWiki - CampaignEvents extension: 1.45, 1.44, 1.43, 1.39."
    }
  ],
  "id": "CVE-2026-0817",
  "lastModified": "2026-02-10T20:20:51.727",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-01-09T16:16:08.030",
  "references": [
    {
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "tags": [
        "Patch"
      ],
      "url": "https://gerrit.wikimedia.org/r/q/I7ed0049691258c8bd2555e599b9b88490fbe3358"
    },
    {
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "tags": [
        "Issue Tracking"
      ],
      "url": "https://phabricator.wikimedia.org/T410560"
    }
  ],
  "sourceIdentifier": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "type": "Secondary"
    }
  ]
}


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  • 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.