CVE-2026-126806

EUVD-2026-124021
WWBN AVideo 14.3 through 29.7.1 contains a stored cross-site scripting vulnerability that allows uploaders to inject scripts via the videoDownloadedLink value stored unescaped through objects/aVideoEncoder.json.php. Attackers can embed event-handler payloads in the URL host rendered as a Source tag in view/managerVideos_body.php, executing in administrator sessions to install plugin archives containing PHP.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
8.7 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
wwbnavideo
14.3 ≤
𝑥
≤ 29.7.1
CNA
Common Weakness Enumeration
References
https://github.com/WWBN/AVideo/blob/v29.7.1/objects/functionTags.php#L198-L221
https://github.com/WWBN/AVideo/blob/v29.7.1/view/managerVideos_body.php#L1997-L2011
https://github.com/WWBN/AVideo/commit/da1da205608d57b1e695a7fad8288a2f5f9a0e0f
https://github.com/WWBN/AVideo/security/advisories/GHSA-2qq6-qfcq-jmr9
https://www.vulncheck.com/advisories/wwbn-avideo-14.3-through-29.7.1-stored-xss-via-video-source-tag