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CVE-2024-0254: The (Simply) Guest Author Name plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's post meta in all versions up to, and including, 4.34 due to insufficient input sanitiz

medium Affects guest-author-name (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The (Simply) Guest Author Name plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's post meta in all versions up to, and including, 4.34 due to insufficient input sanitiz

Package
guest-author-name (WordPress plugin) WordPress
Affected versions
<=4.34
Fixed in
no fix recorded
Severity
medium  CVSS 6.4
Exploitation
not on CISA KEV · EPSS 1% (43.4th percentile)
Published
2024-02-05
Source
nvd

References

CWE-79
NVD recordguest-author-name (WordPress plugin) advisories

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# then
vendor/bin/phpwarden wordpress /var/www/html

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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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