by Kastro
Paper/Archive/CVE-2026-89243

CVE-2026-89243

WWBN AVideo — WWBN AVideo Stored XSS via UserGroups setGroup_name

EPSS 0.4%public exploitCVSS 9.2
critical.is priorityof 100
44
CVSS 9.2 (CNA)9.2 / 10 × 3027.6Not in CISA KEV+300.0EPSS percentile 32.2.322 × 206.4Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in UserGroups::setGroup_name() that fails to sanitize group_name input. Administrators with canAdminUserGroups permission can inject malicious HTML and JavaScript that executes in the browser when other administrators access the user manager interface.

Affected

ProductAffectedFixed inSource
AVideo≤ c3edcc274c389816d434acadac07ee78eaf330c1–CNA

Scores by source

VulnCheck (CNA)9.2CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
VulnCheck (CNA)8.1CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

exploitgithub.com/WWBN/AVideo/security/advisories/GHSA-qm3h-2jrx-xmg6writeupvulncheck.com/advisories/wwbn-avideo-stored-xss-via-usergroups-setgroup-name