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CVE-2021-24286: The settings page of the Redirect 404 to parent WordPress plugin before 1.3.1 did not properly sanitise the tab parameter before outputting it back, leading to a reflected Cross-Site Scripting issue

medium Affects redirect-404-to-parent (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The settings page of the Redirect 404 to parent WordPress plugin before 1.3.1 did not properly sanitise the tab parameter before outputting it back, leading to a reflected Cross-Site Scripting issue

Package
redirect-404-to-parent (WordPress plugin) WordPress
Affected versions
<1.3.1
Fixed in
1.3.1
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 13% (96.2th percentile)
Published
2021-05-14
Source
nvd

References

CWE-79
NVD recordredirect-404-to-parent (WordPress plugin) advisories

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