EUVD-2026-76052
GHSA-f9ww-jjg2-8xj5
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-delivered reflected XSS requires no privileges but mandates victim interaction (UI:R); scope changes to victim browser origin (S:C); low C and I with no availability impact.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
1DescriptionCVE.org
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a reflected cross-site scripting vulnerability in plugin/Live/confirmLivePassword.php. The script interpolates the unauthenticated GET parameter u (which is not covered by $securityFilter) directly into an <img src="..."> attribute without URL- or HTML-encoding. A remote attacker can craft a link containing a double-quote character in u (with a non-empty key parameter and no valid c parameter) to close the src attribute and inject an additional tag with an onerror handler, executing arbitrary JavaScript in the site's origin in the browser of any user, including an administrator, who opens the link. No patched version was available at the time of the advisory.
AnalysisAI
Reflected XSS in WWBN AVideo's Live plugin (plugin/Live/confirmLivePassword.php) allows remote unauthenticated attackers to execute arbitrary JavaScript in the browser of any user - including administrators - who follows a crafted link. The GET parameter u bypasses the application's $securityFilter and is interpolated without encoding directly into an HTML <img src="..."> attribute, enabling attribute breakout and injected event-handler execution. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The Live plugin must be installed and plugin/Live/confirmLivePassword.php must be publicly reachable. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N, score 5.3) correctly captures the key constraints: network-accessible with no complexity, no privilege required, but dependent on victim interaction (UI:P). … 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 | No vendor-released patch was identified at time of analysis - the GitHub Security Advisory GHSA-87qx-9wgx-954f explicitly confirms no patched version was available at disclosure. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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