EUVD-2026-76056
GHSA-7c8p-rvh6-cm6v
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, no privileges needed, victim must click (UI:R), script executes in browser origin so scope changes (S:C); low C/I impact, no availability effect.
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/Gallery/view/Category.php when SubCategorys is enabled. The getBackURL parameter is echoed into an href attribute without HTML encoding, allowing attackers to inject malicious scripts that execute in visitors' browsers when they interact with the Back control.
AnalysisAI
Reflected XSS in WWBN AVideo's Gallery plugin allows unauthenticated remote attackers to inject arbitrary JavaScript into victims' browsers by supplying a malicious payload in the getBackURL GET parameter targeting plugin/Gallery/view/Category.php. The injected value is echoed directly into an href attribute without HTML encoding, enabling javascript: URI injection that fires when a visitor interacts with the Back navigation control while the SubCategorys feature is active. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The SubCategorys feature must be explicitly enabled in the Gallery plugin for the vulnerable code path in `plugin/Gallery/view/Category.php` to be reachable - this is a non-default or optional configuration that materially reduces the exposed population. … 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) accurately characterizes the threat: network-reachable, low complexity, no authentication required, but contingent on a user clicking the poisoned Back link. … 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 | Apply HTML output encoding to the `getBackURL` parameter before rendering it into the href attribute in `plugin/Gallery/view/Category.php`; PHP's `htmlspecialchars($getBackURL, ENT_QUOTES, 'UTF-8')` is the canonical fix for this pattern and eliminates the injection sink. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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