What’s Vulnerable › Vulnerabilities

CVE-2021-38361: .htaccess Redirect <= 0.3.1 Reflected Cross-Site Scripting

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-14 · updated 2026-06-17
• Weakness: CWE-79

Description

The .htaccess Redirect WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the link parameter found in the ~/htaccess-redirect.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 0.3.1.

Affected products

• .htaccess Redirect: through 0.3.1

References

• https://plugins.trac.wordpress.org/browser/htaccess-redirect/trunk/htaccess-redirect.php#L249
• https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38361
• https://plugins.trac.wordpress.org/browser/htaccess-redirect/trunk/htaccess-redirect.php#L249
• https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38361

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