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CVE-2021-24881: The Passster WordPress plugin before 3.5.5.9 does not properly check for password, as well as that the post to be viewed is public, allowing unauthenticated users to bypass the protection offered by t

high Affects passter (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The Passster WordPress plugin before 3.5.5.9 does not properly check for password, as well as that the post to be viewed is public, allowing unauthenticated users to bypass the protection offered by t

Package
passter (WordPress plugin) WordPress
Affected versions
<3.5.5.9
Fixed in
3.5.5.9
Severity
high  CVSS 7.5
Exploitation
not on CISA KEV · EPSS 1% (57.1th percentile)
Published
2023-01-23
Source
nvd

References

NVD recordpasster (WordPress plugin) advisories

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# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden wordpress /var/www/html

# or, without Composer
pipx install phpwarden   &&   phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

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