What is CVE-2025-49553?

CVE-2025-49553 is a critical-severity vulnerability in Adobe Connect, classified under Cross-site Scripting. CVSS score: 9.3/10. Published 2025-10-14.

How severe is CVE-2025-49553?

Critical severity. CVSS v3 base score is 9.3 out of 10.

XSS in Adobe Connect

CVE-2025-49553

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 use…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (42.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

Affected products

Adobe Connect — versions 0
Adobe Connect
Apple Macos
Microsoft Windows

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

psirt@adobe.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-49553?: CVE-2025-49553 is a critical-severity vulnerability in Adobe Connect, classified under Cross-site Scripting. CVSS score: 9.3/10. Published 2025-10-14.
How severe is CVE-2025-49553?: Critical severity. CVSS v3 base score is 9.3 out of 10.