CVE-2025-49553 CRITICAL

CVE-2025-49553: Adobe Connect | Cross-site Scripting (DOM-based XSS) (CWE-79)

Vendor Adobe
Product Adobe Connect
Weakness CWE-79 · XSS
Published October 14, 2025
Last update February 26, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

What the vulnerability does

01Description

Adobe Connect versions 12.9 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability that could be exploited by an attacker to execute malicious scripts in a victim's browser. Exploitation of this issue requires user interaction in that a victim must navigate to a crafted web page. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality and integrity impact as high. Scope is changed.

Key dates

02Disclosure timeline

October 14, 2025 CVE published
February 26, 2026 Record updated