CVE-2026-121904

EUVD-2026-122973
Adobe Connect is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a low-privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field, potentially gaining elevated access or control over the victim's account or session. Scope is changed.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
adobeCNA
9.6 CRITICAL
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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
adobeconnect
𝑥
≤ 12.8
CNA
adobeconnect
𝑥
≤ 12.9
CNA
adobeconnect
𝑥
≤ 12.10
CNA
adobeconnect
𝑥
≤ 12.11
CNA
adobeconnect
𝑥
≤ 12.12
CNA
Common Weakness Enumeration
References
https://www.adobe.com/trust/security/products/connect/apsb26-191.html