CVE-2026-21331 — Cross-site Scripting in Adobe Connect

CWE-79 — Cross-site Scripting4 documents4 sources
Severity
6.1MEDIUMNVD
EPSS
0.1%
top 78.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Adobe Connect
Timeline
PublishedApr 14

Description

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser. Scope is changed.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.7

Affected Packages1 packages

▶CVEListV5adobe/adobe_connect12.10

🔴Vulnerability Details

3
VulDB
Adobe Connect up to 12.10/2025.3 cross site scripting (apsb26-37)↗2026-04-14
▶
GHSA
GHSA-vhf9-597v-53mq: Adobe Connect versions 2025↗2026-04-14
▶
CVEList
Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)↗2026-04-14
▶
CVE-2026-21331 — Cross-site Scripting in Adobe Connect | cvebase