Vulnerability DatabaseCVE-2026-91017

CVE-2026-91017:
WordPress vulnerability analysis and mitigation

The Robokassa payment gateway for Woocommerce WordPress plugin before 1.8.9 does not verify the authenticity of incoming payment notifications when its non-default deferred-payment feature is enabled, allowing unauthenticated attackers to forge a notification and mark arbitrary WooCommerce orders as paid or on-hold without payment or a valid signature.

Source: NVD

Related WordPress vulnerabilities:

CVE ID	Severity	Score	Technologies	Component name	CISA KEV exploit	Has fix	Published date
CVE-2026-86801	HIGH	8.8	WordPress	todo-lists-for-membership-sites	No	No	Sep 17, 2026
CVE-2026-87963	HIGH	8.6	WordPress	yo	No	No	Sep 17, 2026
CVE-2026-91016	MEDIUM	5.3	WordPress	motors-car-dealership-classified-listings	No	Yes	Sep 17, 2026
CVE-2026-91019	MEDIUM	4.9	WordPress	mage-eventpress	No	Yes	Sep 17, 2026
CVE-2026-91017	LOW	3.7	WordPress	robokassa	No	Yes	Sep 17, 2026

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CVE-2026-91017: WordPress vulnerability analysis and mitigation