EUVD-2026-63340
GHSA-3mj6-3crj-6pcw
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Reflected XSS requiring no auth and victim click; scope change confirmed by browser context escape; availability impact not substantiated beyond session disruption.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Unauthenticated Cross Site Scripting (XSS) in B2BKing Premium <= 5.6.07 versions.
AnalysisAI
Unauthenticated cross-site scripting in B2BKing Premium (WordPress/WooCommerce plugin) versions 5.6.07 and earlier allows network-based attackers to inject arbitrary JavaScript into victim browsers without any authentication. The CVSS scope change (S:C) confirms that exploit payloads escape the plugin's context and execute within the victim's browser session, enabling session hijacking, credential theft, or malicious redirects targeting WooCommerce store visitors or administrators. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No authentication is required (PR:N) and no special server-side configuration is needed - any publicly accessible WooCommerce store running B2BKing Premium 5.6.07 or earlier with the plugin's front-end pages exposed to the internet is potentially reachable. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.1 score reflects a meaningful but bounded risk profile: the unauthenticated network vector (AV:N/PR:N/AC:L) substantially lowers the exploitation bar, while mandatory user interaction (UI:R) introduces a social-engineering dependency that limits fully opportunistic mass compromise. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Patch available per vendor advisory - operators should consult the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/b2bking/vulnerability/wordpress-b2bking-premium-plugin-5-6-07-cross-site-scripting-xss-vulnerability and upgrade to the version confirmed fixed by KingTech LLC. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct a complete inventory of WordPress installations running B2BKing Premium version 5.6.07 or earlier and classify all as critical. …
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Threat intelligence, references, and detailed analysis are available after sign-in.
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External POC / Exploit Code
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