CVE-2026-27243: Cross-site Scripting (Reflected XSS) (CWE-79) in Adobe Adobe Connect
Adobe Connect versions 2025. 3, 12. 10, and earlier contain a reflected Cross-Site Scripting (XSS) vulnerability (CVE-2026-27243). This vulnerability allows an attacker to execute malicious JavaScript in the context of a victim's browser if the victim is tricked into visiting a crafted URL referencing a vulnerable page. The vulnerability has a critical severity with a CVSS score of 9. 3, indicating high impact on confidentiality and integrity. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-27243 is a reflected Cross-Site Scripting (XSS) vulnerability affecting Adobe Connect versions 2025.3, 12.10, and earlier. An attacker can exploit this by convincing a user to visit a maliciously crafted URL, causing arbitrary JavaScript to execute within the victim's browser session. This can lead to compromise of user data confidentiality and integrity. The vulnerability has a CVSS 3.1 base score of 9.3, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope change, and high impact on confidentiality and integrity. No vendor patch or official remediation level has been published yet.
Potential Impact
Successful exploitation can lead to execution of arbitrary JavaScript code in the context of the victim's browser, potentially allowing theft of sensitive information, session hijacking, or other malicious actions impacting confidentiality and integrity. Availability is not affected. The vulnerability is rated critical with a CVSS score of 9.3.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when clicking on untrusted links referencing Adobe Connect pages. Implementing web application firewalls or other filtering mechanisms to detect and block malicious input may provide temporary mitigation.
CVE-2026-27243: Cross-site Scripting (Reflected XSS) (CWE-79) in Adobe Adobe Connect
Description
Adobe Connect versions 2025. 3, 12. 10, and earlier contain a reflected Cross-Site Scripting (XSS) vulnerability (CVE-2026-27243). This vulnerability allows an attacker to execute malicious JavaScript in the context of a victim's browser if the victim is tricked into visiting a crafted URL referencing a vulnerable page. The vulnerability has a critical severity with a CVSS score of 9. 3, indicating high impact on confidentiality and integrity. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-27243 is a reflected Cross-Site Scripting (XSS) vulnerability affecting Adobe Connect versions 2025.3, 12.10, and earlier. An attacker can exploit this by convincing a user to visit a maliciously crafted URL, causing arbitrary JavaScript to execute within the victim's browser session. This can lead to compromise of user data confidentiality and integrity. The vulnerability has a CVSS 3.1 base score of 9.3, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope change, and high impact on confidentiality and integrity. No vendor patch or official remediation level has been published yet.
Potential Impact
Successful exploitation can lead to execution of arbitrary JavaScript code in the context of the victim's browser, potentially allowing theft of sensitive information, session hijacking, or other malicious actions impacting confidentiality and integrity. Availability is not affected. The vulnerability is rated critical with a CVSS score of 9.3.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when clicking on untrusted links referencing Adobe Connect pages. Implementing web application firewalls or other filtering mechanisms to detect and block malicious input may provide temporary mitigation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- adobe
- Date Reserved
- 2026-02-18T22:02:41.383Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69de92a582d89c981fe9f167
Added to database: 4/14/2026, 7:16:53 PM
Last enriched: 4/14/2026, 7:33:23 PM
Last updated: 4/14/2026, 9:34:56 PM
Views: 7
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