EUVD-2026-41361
GHSA-3pc2-v6g3-vwg9
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Unauthenticated network-reachable reflected XSS (AV:N/PR:N) requiring victim click (UI:R), with scope change into the WordPress origin and low C/I/A impact typical of reflected XSS.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Lifecycle Timeline
1DescriptionCVE.org
Unauthenticated Cross Site Scripting (XSS) in ChatBot <= 8.3.2 versions.
AnalysisAI
Reflected cross-site scripting in the QuantumCloud ChatBot WordPress plugin (versions 8.3.2 and earlier) lets unauthenticated remote attackers inject malicious script that executes in a victim's browser when they follow a crafted link. The CVSS 3.1 score is 7.1 with a scope change (S:C), reflecting that injected script runs in the security context of the WordPress site rather than the vulnerable component alone. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the target WordPress site has the QuantumCloud ChatBot plugin (version 8.3.2 or earlier) installed and active, and that a victim user interacts by loading an attacker-crafted URL containing the reflected XSS payload (CVSS UI:R). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS vector (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L, score 7.1) shows a network-reachable, low-complexity, unauthenticated attack that nonetheless requires user interaction (UI:R) - a victim must click or load a crafted link, which meaningfully limits mass exploitability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker crafts a URL to a WordPress site running ChatBot <= 8.3.2 with a malicious script payload embedded in a reflected parameter, then delivers it to a victim (for example a site administrator) via phishing email or a malicious link. When the victim clicks the link, the payload reflects into the page and executes in their browser under the site's origin, allowing session cookie theft or forced administrative actions. … |
| Remediation | Update the ChatBot plugin to a version later than 8.3.2 once the vendor releases a fixed build; the input does not specify an exact patched version, so consult the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/chatbot/vulnerability/wordpress-chatbot-plugin-8-3-2-reflected-cross-site-scripting-xss-vulnerability) and the QuantumCloud plugin changelog for the corrected release before upgrading. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all WordPress installations using QuantumCloud ChatBot; document installed versions and user populations. …
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External POC / Exploit Code
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