phpwarden
FeaturesComparePricingAdvisoriesBlogDocsChangelogLog in
Log inStart free

CVE-2021-24372: The WP Hardening – Fix Your WordPress Security WordPress plugin before 1.2.2 did not sanitise or escape the $_SERVER['REQUEST_URI'] before outputting it in an attribute, leading to a reflected Cross-S

medium Affects wp-hardening (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The WP Hardening – Fix Your WordPress Security WordPress plugin before 1.2.2 did not sanitise or escape the $_SERVER['REQUEST_URI'] before outputting it in an attribute, leading to a reflected Cross-S

Package
wp-hardening (WordPress plugin) WordPress
Affected versions
<1.2.2
Fixed in
1.2.2
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 1% (57.3th percentile)
Published
2021-06-21
Source
nvd

References

CWE-79
NVD recordwp-hardening (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

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

Install docs   How findings are ranked

Related advisories