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WWBN AVideo CVE-2026-82646

| EUVDEUVD-2026-68232 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-08-30 VulnCheck GHSA-ffr7-g8h5-97cp
CSRF XSS PHP Avideo
5.3
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
5.3 MEDIUM
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
vuln.today AI
6.1 MEDIUM

Network-accessible, no privileges needed, but requires user interaction; scope changes to victim browser context with limited confidentiality and integrity impact.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

2
CVE Published
Aug 31, 2026 - 10:50 cve.org
MEDIUM 5.3
Analysis Generated
Aug 30, 2026 - 15:05 vuln.today

DescriptionCVE.org

WWBN AVideo contains an unauthenticated reflected cross-site scripting vulnerability in the url2Embed.json.php endpoint that allows attackers to inject malicious scripts by supplying URLs with HTML metacharacters. Attackers can mint an encrypted evideo payload containing unescaped markup, then deliver it as a legitimate-looking link on the site's own domain to execute JavaScript in victims' sessions and steal cookies or CSRF tokens.

AnalysisAI

Reflected cross-site scripting in WWBN AVideo's url2Embed.json.php endpoint allows unauthenticated remote attackers to execute arbitrary JavaScript in a victim's browser session. The attack is distinctive because the malicious payload is delivered as an encrypted evideo parameter, enabling the crafted link to originate from the target site's own domain and bypass naive URL-reputation checks. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation No authentication is required - this is an unauthenticated reflected XSS (CVSS PR:N confirmed). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 5.3 (Medium) is consistent with the actual risk profile: network-accessible, no privileges required, but requiring passive user interaction (UI:P) to click a crafted 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 Consult the vendor security advisory at https://github.com/WWBN/AVideo/security/advisories/GHSA-xg77-76mf-rw8h for the patched release version - the available data does not specify an exact fixed version number, so upgrading to the latest tagged AVideo release is the primary recommendation. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-82646 vulnerability details – vuln.today
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