CVE-2021-38349: Integration of Moneybird for WooCommerce <= 2.1.1 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 Integration of Moneybird for WooCommerce WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the error_description parameter found in the ~/templates/wcmb-admin.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 2.1.1.

Affected products

Integration of Moneybird for WooCommerce: through 2.1.1

References

https://plugins.trac.wordpress.org/browser/woo-moneybird/tags/2.1.1/templates/wcmb-admin.php#L8
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38349
https://plugins.trac.wordpress.org/browser/woo-moneybird/tags/2.1.1/templates/wcmb-admin.php#L8
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38349

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