CVE-2021-38348: Advance Search <= 1.1.2 Reflected Cross-Site Scripting

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-09-10 · updated 2026-06-17
Weakness: CWE-79

Description

The Advance Search WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the wpas_id parameter found in the ~/inc/admin/views/html-advance-search-admin-options.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.1.2.

Affected products

Advance Search: through 1.1.2

References

https://plugins.trac.wordpress.org/browser/advance-search/trunk/inc/admin/views/html-advance-search-admin-options.php#L88
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38348
https://plugins.trac.wordpress.org/browser/advance-search/trunk/inc/admin/views/html-advance-search-admin-options.php#L88
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38348

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