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CVE-2025-9878— Password Protect WordPress Lite <= 1.9.21 - Authenticated (Contributor+) Stored Cross-Site Scripting

Quick assessment

Affected
buildwps PPWP – Password Protect Pages
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.

PPWP – Password Protect WordPress

CVSS 6.4 · Medium EPSS 0.19% · P9

Affected Version Matrix 1

VendorProduct Version RangeStatus
buildwps PPWP – Password Protect Pages ≤ 1.9.21 affected
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I. Basic Information for CVE-2025-9878

Vulnerability Information
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Vulnerability Title
Password Protect WordPress Lite <= 1.9.21 - Authenticated (Contributor+) Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The PPWP – Password Protect WordPress | #1 Most-Reviewed Password Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'ppwp' shortcode in all versions up to, and including, 1.9.21 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
buildwps PPWP – Password Protect Pages 0 ~ 1.9.21 -

II. Public POCs for CVE-2025-9878

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III. Intelligence Information for CVE-2025-9878

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Patches & Fixes for CVE-2025-9878 (2)

Vendor Advisories for CVE-2025-9878 (1)

Other References for CVE-2025-9878 (1)

IV. Related Vulnerabilities

Same product: PPWP – Password Protect Pages
Same vendor: buildwps
Same weakness: CWE-79

V. Comments for CVE-2025-9878

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