Vulnerability-Lookup

CVE-2025-64353 (GCVE-0-2025-64353)

Vulnerability from cvelistv5 – Published: 2025-10-31 11:42 – Updated: 2026-04-28 18:30

Title

WordPress Polylang plugin <= 3.7.3 - Deserialization of untrusted data vulnerability

Summary

Deserialization of Untrusted Data vulnerability in Chouby Polylang polylang allows Object Injection.This issue affects Polylang: from n/a through <= 3.7.3.

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-10-31 18:57 UTC

CWE

CWE-502 - Deserialization of Untrusted Data

Assigner

Patchstack CNA under the mitre root

CNA scorecard C 75/100 over 2924 records in the last 180 days details

References

1 reference

URL	Tags
https://patchstack.com/database/Wordpress/Plugin/…	vdb-entry

Impacted products

1 product

Vendor	Product	Version	CPE status
Chouby	Polylang	Affected: 0 , ≤ 3.7.3 (custom)	guessed

Date Public

2026-04-01 16:01

Credits

Phat RiO | Patchstack Bug Bounty Program

Show details on NVD website

JSON

To clipboard

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CNVD-2025-27337

Vulnerability from cnvd - Published: 2025-11-07

Title

WordPress Polylang plugin反序列化漏洞

Description

WordPress Polylang plugin是WordPress的多语言插件，用于创建和管理多语言网站，支持从1种到10种或更多语言的切换，核心功能完全集成于WordPress内置功能（如分类法），无需额外依赖外部系统。 WordPress Polylang plugin存在反序列化漏洞，该漏洞源于应用程序在接收用户提交的序列化数据的不安全反序列化处理，攻击者可利用该漏洞导致代码执行。

Severity

高

Patch Name

WordPress Polylang plugin反序列化漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级程序修复该安全问题，详情见厂商官网: https://wordpress.org/plugins/polylang/

Reference

https://vdp.patchstack.com/database/Wordpress/Plugin/polylang/vulnerability/wordpress-polylang-plugin-3-7-3-deserialization-of-untrusted-data-vulnerability

Impacted products

Name
WordPress Polylang plugin <=3.7.3

Show details on source website

JSON

To clipboard

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FKIE_CVE-2025-64353

Vulnerability from fkie_nvd - Published: 2025-10-31 12:15 - Updated: 2026-06-17 09:54

Severity

8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

Deserialization of Untrusted Data vulnerability in Chouby Polylang polylang allows Object Injection.This issue affects Polylang: from n/a through <= 3.7.3.

References

	URL	Tags
	audit@patchstack.com	https://patchstack.com/database/Wordpress/Plugin/polylang/vulnerability/wordpress-polylang-plugin-3-7-3-deserialization-of-untrusted-data-vulnerability?_s_id=cve

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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      "value": "Vulnerabilidad de deserializaci\u00f3n de datos no confiables en Chouby Polylang polylang permite la inyecci\u00f3n de objetos. Este problema afecta a Polylang: desde n/a hasta menor igual que 3.7.3."
    }
  ],
  "id": "CVE-2025-64353",
  "lastModified": "2026-06-17T09:54:15.690",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "audit@patchstack.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-64353",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-10-31T18:57:45.237900Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-10-31T12:15:35.653",
  "references": [
    {
      "source": "audit@patchstack.com",
      "url": "https://patchstack.com/database/Wordpress/Plugin/polylang/vulnerability/wordpress-polylang-plugin-3-7-3-deserialization-of-untrusted-data-vulnerability?_s_id=cve"
    }
  ],
  "sourceIdentifier": "audit@patchstack.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ],
      "source": "audit@patchstack.com",
      "type": "Secondary"
    }
  ]
}

GHSA-HP28-JQCH-QHRC

Vulnerability from github – Published: 2025-10-31 12:30 – Updated: 2026-01-20 15:31

Details

Deserialization of Untrusted Data vulnerability in Chouby Polylang polylang allows Object Injection.This issue affects Polylang: from n/a through <= 3.7.3.

Severity

8.8 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Show details on source website

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To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-64353"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-502"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-31T12:15:35Z",
    "severity": "HIGH"
  },
  "details": "Deserialization of Untrusted Data vulnerability in Chouby Polylang polylang allows Object Injection.This issue affects Polylang: from n/a through \u003c= 3.7.3.",
  "id": "GHSA-hp28-jqch-qhrc",
  "modified": "2026-01-20T15:31:42Z",
  "published": "2025-10-31T12:30:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-64353"
    },
    {
      "type": "WEB",
      "url": "https://patchstack.com/database/Wordpress/Plugin/polylang/vulnerability/wordpress-polylang-plugin-3-7-3-deserialization-of-untrusted-data-vulnerability?_s_id=cve"
    },
    {
      "type": "WEB",
      "url": "https://vdp.patchstack.com/database/Wordpress/Plugin/polylang/vulnerability/wordpress-polylang-plugin-3-7-3-deserialization-of-untrusted-data-vulnerability"
    },
    {
      "type": "WEB",
      "url": "https://vdp.patchstack.com/database/Wordpress/Plugin/polylang/vulnerability/wordpress-polylang-plugin-3-7-3-deserialization-of-untrusted-data-vulnerability?_s_id=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2025-64353 (GCVE-0-2025-64353)

CNVD-2025-27337

FKIE_CVE-2025-64353

GHSA-HP28-JQCH-QHRC

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