Passster – Password Protect Pages and Content vulnerabilities

Plugin slug content-protector · 23 known vulnerabilities · latest disclosed 2026-11-11 · WordPress.org page

Every listed vulnerability has a fix. Version 4.3.22 or later is not affected by any of them. If your site runs an older version, update it.

0 of 23 rated high or critical (CVSS 7 or more).

Known vulnerabilities in Passster – Password Protect Pages and Content

SeverityAffected versionsFixed inCVEPublishedDetails
Medium 5.3<= 4.3.204.3.21CVE-2026-1215742026-11-11Advisory
Medium 6.4<= 4.3.214.3.22CVE-2026-1254542026-11-11Advisory
Medium 5.3<= 4.3.184.3.19CVE-2026-1108962026-10-16Advisory
Medium 5.3<= 4.3.134.3.14CVE-2026-621142026-09-11Advisory
Medium 5.3< 4.3.94.3.9CVE-2026-175592026-08-24Advisory
Medium 5.3< 4.3.64.3.6CVE-2026-166042026-08-05Advisory
Medium 4.3<= 4.3.64.3.7CVE-2025-156742026-08-03Advisory
Medium 5.3<= 4.3.54.3.6CVE-2026-166022026-07-27Advisory
Medium 5.3<= 4.3.54.3.6CVE-2026-166032026-07-27Advisory
Medium 5.3<= 4.2.254.2.26CVE-2025-154902026-02-17Advisory
Medium 5.3<= 4.2.234.2.24CVE-2025-154892026-02-17Advisory
Medium 4.3<= 4.2.254.2.26CVE-2026-250362026-02-12Advisory
Medium 6.4<= 4.2.244.2.25CVE-2025-148652026-01-27Advisory
Medium 5.3<= 4.2.194.2.20CVE-2025-642182025-11-12Advisory
Medium 6.4<= 4.2.184.2.19CVE-2025-579262025-09-22Advisory
Medium 5.3<= 4.2.104.2.11CVE-2024-112822025-01-06Advisory
Medium 6.4<= 4.2.6.44.2.6.5CVE-2024-20262024-04-04Advisory
Medium 5.3<= 4.2.6.24.2.6.3CVE-2024-06162024-02-08Advisory
Medium 6.1<= 4.2.14.2.2CVE-2023-339992023-07-18Advisory
Medium 6.4<= 3.5.5.73.5.5.8CVE-2021-248372022-12-29Advisory
Medium 5.3<= 3.5.5.83.5.5.9CVE-2021-248812022-12-29Advisory
Medium 5.3<= 3.5.5.5.13.5.5.5.2CVE-2022-32062022-09-21Advisory
Medium 6.3< 3.5.5.23.5.5.2CVE-2022-49742022-03-04Advisory

Check if a site is affected

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Questions

Is the Passster – Password Protect Pages and Content plugin safe to use?

All 23 known issues are fixed in current versions (4.3.22 or later). Keeping it updated is what matters.

How do I check which version of Passster – Password Protect Pages and Content my site runs?

In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.

How do I fix a vulnerable plugin?

Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.

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