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CVE-2024-10924: The Really Simple Security (Free, Pro, and Pro Multisite) plugins for WordPress are vulnerable to authentication bypass in versions 9.0.0 to 9.1.1.1. This is due to improper user check error handling

critical Affects really-simple-ssl (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The Really Simple Security (Free, Pro, and Pro Multisite) plugins for WordPress are vulnerable to authentication bypass in versions 9.0.0 to 9.1.1.1. This is due to improper user check error handling

Package
really-simple-ssl (WordPress plugin) WordPress
Affected versions
>=9.0.0 and <9.1.2
Fixed in
9.1.2
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 82% (99.7th percentile)
Published
2024-11-15
Source
nvd

References

CWE-288CWE-306
NVD recordreally-simple-ssl (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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