CVE-2026-3639
PPWP – Password Protect Pages <= 1.9.21 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes
The PPWP – Password Protect Pages plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's ppwp shortcode attributes 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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
6.4
PPWP – Password Protect Pages <= 1.9.21 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes
The PPWP – Password Protect Pages plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's ppwp shortcode attributes 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.
- Record
CVE-2026-3639- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-57741
6.4
The PPWP – Password Protect Pages plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's ppwp shortcode attributes 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.
- Record
EUVD-2026-57741- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-jgr2-qxr7-gw6v
6.4
The PPWP – Password Protect Pages plugin for WordPress is vulnerable to Stored Cross-Site...
The PPWP – Password Protect Pages plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's ppwp shortcode attributes 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.
- Record
GHSA-jgr2-qxr7-gw6v- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
6.4
The PPWP – Password Protect Pages plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's ppwp shortcode attributes 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.
- Record
CVE-2026-3639- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-3639 is a medium vulnerability (CVSS 6.4) in Buildwps Ppwp – Password Protect Pages, published August 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile. No source names a fixed version.
References
wordfence.com/threat-intel/vulnerabilities/id/7fa5206e-8888-4872-b4bd-91fe5628498c?source=cve
plugins.trac.wordpress.org/browser/password-protect-page/tags/1.9.15/includes/services/class-ppw-shortcode.php
plugins.trac.wordpress.org/browser/password-protect-page/trunk/includes/services/class-ppw-shortcode.php
plugins.trac.wordpress.org/browser/password-protect-page/tags/1.9.15/includes/views/shortcode/view-ppw-restriced-content-form.php
plugins.trac.wordpress.org/browser/password-protect-page/trunk/includes/views/shortcode/view-ppw-restriced-content-form.php
plugins.trac.wordpress.org/changeset?old_path=%2Fpassword-protect-page/tags/1.9.19&new_path=%2Fpassword-protect-page/tags/1.9.20
plugins.trac.wordpress.org/changeset/3642939/password-protect-page
nvd.nist.gov/vuln/detail/CVE-2026-3639
github.com/advisories/GHSA-jgr2-qxr7-gw6v