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CVE-2022-4156

Status: ModifiedHigh (7.5)—

The Contest Gallery WordPress plugin before 19.1.5.1, Contest Gallery Pro WordPress plugin before 19.1.5.1 do not escape the user_id POST parameter before concatenating it to an SQL query in ajax-functions-backend.php. This may allow malicious users with at least author privilege to leak sensitive information from the site's database.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Contest-gallery — Contest Gallery

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2022-4156",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-4156",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-14T14:16:07.879225Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Contest Gallery",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "19.1.5.1",
              "versionType": "custom"
            }
          ],
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Unknown",
          "product": "Contest Gallery Pro",
          "versions": [
            {
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              "version": "0",
              "lessThan": "19.1.5.1",
              "versionType": "custom"
            }
          ],
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      ]
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  ],
  "published": "2022-12-26T13:15:12.963",
  "references": [
    {
      "url": "https://bulletin.iese.de/post/contest-gallery_19-1-4-1_1",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/254f6e8b-5fa9-4d6d-8e0e-1a4cae18aee0",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://bulletin.iese.de/post/contest-gallery_19-1-4-1_1",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wpscan.com/vulnerability/254f6e8b-5fa9-4d6d-8e0e-1a4cae18aee0",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "The Contest Gallery WordPress plugin before 19.1.5.1, Contest Gallery Pro WordPress plugin before 19.1.5.1 do not escape the user_id POST parameter before concatenating it to an SQL query in ajax-functions-backend.php. This may allow malicious users with at least author privilege to leak sensitive information from the site's database."
    },
    {
      "lang": "es",
      "value": "El complemento Contest Gallery de WordPress anterior a 19.1.5.1 y el complemento Contest Gallery Pro de WordPress anterior a 19.1.5.1 no escapan del parámetro POST user_id antes de concatenarlo a una consulta SQL en ajax-functions-backend.php. Esto puede permitir que usuarios malintencionados con al menos privilegios de autor filtren información confidencial de la base de datos del sitio."
    }
  ],
  "lastModified": "2026-06-17T05:20:07.157",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:contest-gallery:contest_gallery:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1BBCFA53-06F8-4182-8333-1D1F13E96387",
              "versionEndExcluding": "19.1.5.1"
            },
            {
              "criteria": "cpe:2.3:a:contest-gallery:contest_gallery:*:*:*:*:pro:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "49BF2A30-F48B-492E-BD57-6F9CAF7C6AC5",
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          "operator": "OR"
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  ],
  "sourceIdentifier": "contact@wpscan.com"
}