CVE-2026-27243
Reflected XSS in Adobe Connect Allows Browser-Based Code Execution
Publication date: 2026-04-14
Last updated on: 2026-04-28
Assigner: Adobe Systems Incorporated
Description
Description
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| adobe | connect | to 12.11 (exc) |
| adobe | connect_desktop_application | to 2025.3 (inc) |
| adobe | connect_desktop_application | to 2025.9.15 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The vulnerability is a reflected Cross-Site Scripting (XSS) issue in Adobe Connect versions 2025.3, 12.10 and earlier, which allows execution of malicious JavaScript in the victim's browser context.
Such vulnerabilities can lead to unauthorized access to sensitive information or session hijacking, potentially impacting the confidentiality and integrity of user data.
This may affect compliance with data protection regulations like GDPR and HIPAA, which require protection of personal and sensitive data against unauthorized access or disclosure.
However, specific impacts on compliance depend on the deployment context and whether sensitive data is exposed or processed through the vulnerable application.
Can you explain this vulnerability to me?
This vulnerability is a reflected Cross-Site Scripting (XSS) issue affecting Adobe Connect versions 2025.3, 12.10, and earlier. It occurs when an attacker convinces a victim to visit a specially crafted URL referencing a vulnerable page, causing malicious JavaScript code to execute within the victim's browser context.
How can this vulnerability impact me? :
The impact of this vulnerability includes the potential execution of malicious JavaScript in the victim's browser, which can lead to theft of sensitive information, session hijacking, or other malicious actions performed on behalf of the victim. The CVSS score of 9.3 indicates a high severity with significant confidentiality and integrity impacts.