CVE-2021-39308

MEDIUM 6.1CVE-2021-39308 · Published 14/12/2021 · updated 17/06/2026

In short

CVE-2021-39308 is a MEDIUM (CVSS 6.1) vulnerability affecting woo-myghpay-payment-gateway (woo-myghpay-payment-gateway project).
Chance of exploitation in the next 30 days (EPSS): 0.78%, higher than 56.2% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
woo-myghpay-payment-gateway woo-myghpay-payment-gateway_project	`≤ 3.0`	No fix yet

Description

The WooCommerce myghpay Payment Gateway WordPess plugin is vulnerable to Reflected Cross-Site Scripting via the clientref parameter found in the ~/processresponse.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 3.0.

References

plugins.trac.wordpress.org/browser/woo-myghpay-payment-gateway/trunk/processresponse.php · Third Party Advisory
wordfence.com/vulnerability-advisories · Third Party Advisory

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