CVE-2026-88868

AVideo LiveLinks Stored XSS via title and description fields

9.3 Critical

AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the LiveLinks plugin where title and description fields are stored without sanitization. A user with canStream permission can inject malicious scripts that execute in the browser of every visitor viewing the live-link page, including administrators, within the site origin.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Passive

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.37%Up 0.1 points since Sep 11, 2026

What each source reports

CVE List Score used9.3

AVideo LiveLinks Stored XSS via title and description fields

Record: CVE-2026-88868
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
CVSS 3.1: 8.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2026-754189.3

Record: EUVD-2026-75418
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-9c2q-wpvm-f24r9.3

AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site...

Record: GHSA-9c2q-wpvm-f24r
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/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
CVSS 3.1: 8.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD9.3

Record: CVE-2026-88868
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/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
CVSS 3.1: 8.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV9.3

AVideo LiveLinks Stored XSS via title and description fields

Record: CVE-2026-88868
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

wwbn avideo

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-88868 is a critical vulnerability (CVSS 9.3) in Wwbn Avideo, published September 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 30th percentile. No source names a fixed version.