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CVE-2026-39783— WordPress Polylang plugin <= 3.8.7 - Sensitive Data Exposure vulnerability

Quick assessment

Affected
WP SYNTEX 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.

WP SYNTEX Polylang 插件中存在缺少授权机制的安全漏洞，攻击者可以利用该漏洞获取嵌入的敏感数据。该问题影响 Polylang 插件的以下版本：从早期版本至 3.8.7 版本。

CVSS 4.3 · Medium
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I. Basic Information for CVE-2026-39783

Vulnerability Information
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Vulnerability Title
WordPress Polylang plugin <= 3.8.7 - Sensitive Data Exposure vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Missing Authorization vulnerability in WP SYNTEX Polylang polylang allows Retrieve Embedded Sensitive Data.This issue affects Polylang: from n/a through 3.8.7.
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
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
WP SYNTEX Polylang 0 ~ 3.8.7 -

II. Public POCs for CVE-2026-39783

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III. Intelligence Information for CVE-2026-39783

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Other References for CVE-2026-39783 (1)

IV. Related Vulnerabilities

Same product: Polylang
Same weakness: CWE-862

V. Comments for CVE-2026-39783

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