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CVE-2019-17675: WordPress before 5.2.4 does not properly consider type confusion during validation of the referer in the admin pages, possibly leading to CSRF.

high Affects WordPress core. Feed 2026.10.29.3, updated 2026-10-29; published ; advisory modified .

WordPress before 5.2.4 does not properly consider type confusion during validation of the referer in the admin pages, possibly leading to CSRF.

Package
WordPress core WordPress
Affected versions
<5.2.4
Fixed in
5.2.4
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 3% (86.4th percentile)
Published
2019-10-17
Source
nvd

References

CWE-352CWE-843
NVD recordWordPress core 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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