---
id: CVE-2025-49553
title: >-
  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
summary: >-
  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 u…
severity: critical
cvss: 9.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N'
cwe:
  - CWE-79
vendor: adobe
product: connect
affected:
  - connect < 12.10
patched:
  - connect 12.10
published: '2025-10-14'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T12:10:00.217'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-49553'
references:
  - url: 'https://helpx.adobe.com/security/products/connect/apsb25-70.html'
    label: psirt@adobe.com
tags:
  - nvd
epss: 0.00534
epssPercentile: 0.43297
ingestedAt: '2026-10-08T11:31:27.415Z'
---

## Overview

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.

## Affected

- `connect < 12.10`

## Remediation

Upgrade past the affected range:

- `connect 12.10`
