CVE-2026-21331

MEDIUM

Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 6.1
EPSS 0.0008
EPSS Percentile 24.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (4)
Adobe/Adobe Connect < 12.10
adobe/connect < 12.11
adobe/connect_desktop_application < 2025.3
adobe/connect_desktop_application < 2025.9.15
Published Apr 14, 2026
Tracked Since Apr 14, 2026