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CVE-2018-18069

Status: ModifiedMedium (6.1)—Exploit
Severity6.1Medium · CVSS 3.0
Exploitation probability13 %higher than 96% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitAvailableNuclei template (automated mass detection)

process_forms in the WPML (aka sitepress-multilingual-cms) plugin through 3.6.3 for WordPress has XSS via any locale_file_name_ parameter (such as locale_file_name_en) in an authenticated theme-localization.php request to wp-admin/admin.php.

CVSS

Base score
6.1
Version
3.0
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
13 %
Percentile among all scored CVEs
96
Score date
10/30/2026

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).

Public exploits

Exploit code or detection templates are publicly available. This is not the same as confirmed active exploitation (KEV), but it raises the risk: patch with priority.

Affected technologies (1)

Wpml — Wpml

CWEs

References

Show 2 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2018-18069",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
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        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-10-08T22:29:00.623",
  "references": [
    {
      "url": "https://0x62626262.wordpress.com/2018/10/08/sitepress-multilingual-cms-plugin-unauthenticated-stored-xss/",
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        "Third Party Advisory"
      ],
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    },
    {
      "url": "https://0x62626262.wordpress.com/2018/10/08/sitepress-multilingual-cms-plugin-unauthenticated-stored-xss/",
      "tags": [
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        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "process_forms in the WPML (aka sitepress-multilingual-cms) plugin through 3.6.3 for WordPress has XSS via any locale_file_name_ parameter (such as locale_file_name_en) in an authenticated theme-localization.php request to wp-admin/admin.php."
    },
    {
      "lang": "es",
      "value": "process_forms en el plugin WPML (también conocido como sitepress-multilingual-cms) hasta la versión 3.6.3 para WordPress tiene Cross-Site Scripting (XSS) mediante cualquier parámetro locale_file_name_ (como locale_file_name_en) en una petición theme-localization.php autenticada a wp-admin/admin.php."
    }
  ],
  "lastModified": "2026-06-17T01:46:44.100",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wpml:wpml:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2974831A-0099-4E4D-8322-6B48538414B0",
              "versionEndIncluding": "3.6.3",
              "versionStartIncluding": "1.3.3"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}