CVE-2021-34640

MEDIUM 6.1CVE-2021-34640 · Published 11/08/2021 · updated 17/06/2026

In short

CVE-2021-34640 is a MEDIUM (CVSS 6.1) vulnerability affecting securimage-wp-fixed (securimage-wp-fixed project).
Chance of exploitation in the next 30 days (EPSS): 2.3%, higher than 83.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
securimage-wp-fixed securimage-wp-fixed_project	`≤ 3.5.4`	No fix yet

Description

The Securimage-WP-Fixed WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of $_SERVER['PHP_SELF'] in the ~/securimage-wp.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 3.5.4.

References

plugins.trac.wordpress.org/browser/securimage-wp-fixed/trunk/securimage-wp.php · Exploit
wordfence.com/vulnerability-advisories · Exploit

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