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CVE-2026-8857

Full vulnerability record from the local CVENow database.

Description

A vulnerability in Wikimedia Foundation timeline. This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php. This issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

Severity
NONE
CVSS score
0.0 (v4.0)
Vulnerability status
Analyzed
Source identifier
c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Published
2026-07-01 16:16:53.847000
Last modified
2026-10-25 17:10:00.197000
View original CVE JSON 
{
  "id": "CVE-2026-8857",
  "sourceIdentifier": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
  "published": "2026-07-01T16:16:53.847",
  "lastModified": "2026-10-25T17:10:00.197",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in Wikimedia Foundation timeline.\n\n This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php.\n\n\n\nThis issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la línea de tiempo de Wikimedia Foundation.\n\nEsta vulnerabilidad está asociada con los archivos de programa scripts/EasyTimeline.Pl, includes/Timeline.PHP.\n\nEste problema afecta a la línea de tiempo: desde * antes de 1.46.0, 1.45.4, 1.44.6, 1.43.9."
    }
  ],
  "affected": [
    {
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "affectedData": [
        {
          "vendor": "Wikimedia Foundation",
          "product": "timeline",
          "defaultStatus": "unaffected",
          "programFiles": [
            "scripts/EasyTimeline.pl",
            "includes/Timeline.php"
          ],
          "repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/timeline/+/refs/heads/master",
          "versions": [
            {
              "version": "*",
              "lessThan": "1.46.0, 1.45.4, 1.44.6, 1.43.9",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 0.0,
          "baseSeverity": "NONE",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "NOT_DEFINED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
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          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-01T15:49:46.432787Z",
          "id": "CVE-2026-8857",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.43.0",
              "versionEndExcluding": "1.43.9",
              "matchCriteriaId": "5BC82408-61E8-4F28-8AEC-438E159DC867"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.44.0",
              "versionEndExcluding": "1.44.6",
              "matchCriteriaId": "8F0FD7F7-0D82-4E68-91D8-0ADAE54CB8C5"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.45.0",
              "versionEndExcluding": "1.45.4",
              "matchCriteriaId": "439E39DA-8BB7-4AF7-9F42-E334A9B4AD3E"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://phabricator.wikimedia.org/T426631",
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    }
  ]
}