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CVE-2021-24187: The setting page of the SEO Redirection Plugin - 301 Redirect Manager WordPress plugin before 6.4 is vulnerable to reflected Cross-Site Scripting (XSS) as user input is not properly sanitised before b

medium Affects seo-redirection (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The setting page of the SEO Redirection Plugin - 301 Redirect Manager WordPress plugin before 6.4 is vulnerable to reflected Cross-Site Scripting (XSS) as user input is not properly sanitised before b

Package
seo-redirection (WordPress plugin) WordPress
Affected versions
<6.4
Fixed in
6.4
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (50.2th percentile)
Published
2021-04-05
Source
nvd

References

CWE-79
NVD recordseo-redirection (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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