CVE-2026-21331: 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-2026-21331). 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. The vulnerability affects confidentiality and integrity but does not impact availability. No official patch or remediation guidance has been provided yet by Adobe. The vulnerability has a CVSS score of 6. 1, indicating medium severity. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-21331 is a reflected Cross-Site Scripting (XSS) vulnerability in Adobe Connect versions 2025.3, 12.10 and earlier. An attacker can craft a URL referencing a vulnerable page that, when visited by a victim, causes malicious JavaScript to execute within the victim's browser context. This vulnerability impacts confidentiality and integrity by potentially allowing script execution but does not affect system availability. The vulnerability has a CVSS 3.1 base score of 6.1 (medium severity) with vector AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. No official patch or remediation level has been published by Adobe, and the product is not a cloud service, so remediation depends on vendor updates.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary JavaScript in the victim's browser, potentially leading to information disclosure or manipulation of data within the affected Adobe Connect session. There is no impact on system availability. No known exploits are currently reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or mitigation has been published by Adobe, users should exercise caution with untrusted URLs referencing Adobe Connect. Monitor Adobe's security advisories for updates and apply patches promptly once available.
CVE-2026-21331: 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-2026-21331). 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. The vulnerability affects confidentiality and integrity but does not impact availability. No official patch or remediation guidance has been provided yet by Adobe. The vulnerability has a CVSS score of 6. 1, indicating medium severity. There are no known exploits in the wild at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-21331 is a reflected Cross-Site Scripting (XSS) vulnerability in Adobe Connect versions 2025.3, 12.10 and earlier. An attacker can craft a URL referencing a vulnerable page that, when visited by a victim, causes malicious JavaScript to execute within the victim's browser context. This vulnerability impacts confidentiality and integrity by potentially allowing script execution but does not affect system availability. The vulnerability has a CVSS 3.1 base score of 6.1 (medium severity) with vector AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. No official patch or remediation level has been published by Adobe, and the product is not a cloud service, so remediation depends on vendor updates.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary JavaScript in the victim's browser, potentially leading to information disclosure or manipulation of data within the affected Adobe Connect session. There is no impact on system availability. No known exploits are currently reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or mitigation has been published by Adobe, users should exercise caution with untrusted URLs referencing Adobe Connect. Monitor Adobe's security advisories for updates and apply patches promptly once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- adobe
- Date Reserved
- 2025-12-12T22:01:18.195Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69de8b9f82d89c981fe48120
Added to database: 4/14/2026, 6:46:55 PM
Last enriched: 4/14/2026, 7:04:50 PM
Last updated: 4/14/2026, 9:34:57 PM
Views: 8
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