EUVD-2026-43486Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Stored XSS via authenticated chatbot input; PR:L required for payload submission, UI:R for victim trigger, S:C for cross-user browser impact; A:N as XSS does not cause meaningful availability loss.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Lifecycle Timeline
2DescriptionCVE.org
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in QuantumCloud ChatBot for eCommerce – WoowBot woowbot-woocommerce-chatbot allows Stored XSS.This issue affects ChatBot for eCommerce – WoowBot: from n/a through <= 4.6.1.
AnalysisAI
Stored Cross-Site Scripting in QuantumCloud's WoowBot (ChatBot for eCommerce) WordPress plugin allows authenticated low-privileged users to inject persistent malicious scripts that execute in victims' browsers when stored content is rendered. Versions through 4.6.1 are affected, with a scope change confirmed by the CVSS vector (S:C), meaning attacker-controlled JavaScript runs in the context of other users - including administrators. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated session with at least low-privileged access (PR:L per CVSS) - this is likely a registered WooCommerce customer or WordPress subscriber role, meaning any site with open user registration is at elevated risk. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 6.5 (Medium) is reasonable but the CVSS scope change (S:C) meaningfully elevates real-world impact: a low-privileged user can affect administrator sessions, enabling privilege escalation or site takeover via session hijacking or admin-side script injection. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker registers or uses an existing low-privileged WooCommerce customer account and submits a crafted chatbot message containing a JavaScript payload such as a session-cookie stealer. When a site administrator reviews the chat conversation log in the WordPress backend, the stored script executes in their browser, exfiltrating the admin session cookie to an attacker-controlled endpoint and enabling full site takeover. … |
| Remediation | The primary remediation is to update the WoowBot plugin beyond version 4.6.1; however, an exact patched release version is not confirmed in the available intelligence - consult the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/woowbot-woocommerce-chatbot/vulnerability/wordpress-chatbot-for-ecommerce-woowbot-plugin-4-6-1-cross-site-scripting-xss-vulnerability and the WordPress plugin repository for the latest release. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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