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Password Protect WordPress Lite <= 1.9.20 — Insecure Direct Object Reference to Authenticated (Contributor+) Password Protected Post Password Update

CVE-2025-10005Published · Updated

Action summary

Affected: ≤1.9.20Update to 1.9.21 or newer

All remediation steps
Watch plugin
Severity
Medium4.3
CVSS
4.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:L Confidentiality
Low
I:N Integrity
None
A:N Availability
None
Weakness
CWE-639 Authorization Bypass Through User-Controlled Key
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

PPWP – Password Protect Pages password-protect-page

  1. Affected≤ 1.9.20
  2. Patched in1.9.21

Update to 1.9.21 or newer.

You are affected if you run ≤ 1.9.20. Version 1.9.21 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under PPWP – Password Protect Pages.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 1.9.21, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch PPWP – Password Protect Pages to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Dmitrii Ignatyev.

The PPWP – Password Protect WordPress | #1 Most-Reviewed Password Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.9.20 via the ppw_free_set_password AJAX action due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Contributor-level access and above, to update the password on any password protected post and subsequently access the content.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in PPWP – Password Protect Pages

All 12
More vulnerabilities in PPWP – Password Protect Pages
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via '[ppwp]' Shortcode 'desc_below_form' Attribute via Placeholder Marker Collision
≤1.9.26Update to 1.9.27
CVE-2026-116520
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤1.9.21Update to 1.9.22
CVE-2025-9878
High8.8Authenticated (Contributor+) PHP Object Injection via post_protection_roles
≤1.9.18Update to 1.9.19
CVE-2026-0551
Medium4.3Improper Authorization To Authenticated (Contributor+) Master Password Exposure
≤1.9.15Update to 1.9.16
CVE-2025-11729
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes
≤1.9.21Update to 1.9.22
CVE-2026-3639

Timeline

  1. CVE published

    Severity medium, CVSS 4.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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