Back to Database
Status published
Medium
CVE-2021-40721
Adobe Connect Reflected Cross Site Scripting
Vulnerability Description
Adobe Connect version 11.2.3 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-40721
Credits & Attribution
No credits recorded in the NVD database.
More from Adobe
View All →CVE-2025-64899
Acrobat Reader | Out-of-bounds Read (CWE-125)
High
7.8
CVE-2025-64898
ColdFusion | Insufficiently Protected Credentials (CWE-522)
Medium
5.3
CVE-2025-64897
ColdFusion | Improper Access Control (CWE-284)
Medium
5.6
CVE-2025-64896
Creative Cloud Desktop | Creation of Temporary File in Directory with Incorrect Permissions (CWE-379)
Medium
5.5
CVE-2025-64894
DNG SDK | Integer Overflow or Wraparound (CWE-190)
Medium
5.5
Affected Vendor
Adobe
View all reports →Affected Software
Connect
Vulnerable Versions:
unspecified
Timeline
Official Publish:
October 15th, 2021
Last Modified:
April 23rd, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N