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CVE-2026-65458— WordPress Polylang and Polylang Pro plugins <= 3.8.5 - Sensitive Data Exposure vulnerability

Quick assessment

Affected
Chouby Polylang
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress Polylang是WordPress基金会的一款多语言网站插件。 WordPress Polylang 3.8.5及之前版本存在信息泄露漏洞，该漏洞源于贡献者敏感数据暴露，可能导致敏感信息泄露。

CVSS 4.3 · Medium EPSS 0.21% · P12

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 2

VendorProduct Version RangeStatus
Chouby Polylang ≤ 3.8.5 affected
Chouby Polylang Pro ≤ 3.8.5 affected
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I. Basic Information for CVE-2026-65458

Vulnerability Information
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Vulnerability Title
WordPress Polylang and Polylang Pro plugins <= 3.8.5 - Sensitive Data Exposure vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Chouby Polylang and Chouby Polylang Pro allows Retrieve Embedded Sensitive Data. This issue affects Polylang: through 3.8.5; Polylang Pro: through 3.8.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
将系统数据暴露到未授权控制的范围
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Polylang 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Polylang是WordPress基金会的一款多语言网站插件。 WordPress Polylang 3.8.5及之前版本存在信息泄露漏洞，该漏洞源于贡献者敏感数据暴露，可能导致敏感信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Chouby Polylang 0 ~ 3.8.5 -
Chouby Polylang Pro 0 ~ 3.8.5 -

II. Public POCs for CVE-2026-65458

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III. Intelligence Information for CVE-2026-65458

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News Coverage for CVE-2026-65458 (1)

IV. Related Vulnerabilities

Same product: Polylang
Same vendor: Chouby
Same weakness: CWE-497

V. Comments for CVE-2026-65458

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