CVE-2024-54034CWE-79

Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)

Critical · published December 10, 2024

CVSS v3.1
9.3
EPSS
1%
Percentile
53.3
In the wild
Unconfirmed
What it is

🚨 A single click is all it takes for an attacker to run malicious JavaScript in your browser! This reflected XSS vulnerability in Adobe Connect versions 12.6, 11.4.7 and earlier is a game-changer. 🔥 Think of it like a restaurant where a waiter hands you a suspicious menu item — you might not notice that someone slipped in a dangerous dish that could spoil your meal! Here, that menu item is a corrupted URL leading to a harmful script running in your browser. If a victim visits this malicious URL, attackers can execute scripts that could steal session tokens, hijack accounts, or manipulate user sessions! This means they could gain unauthorized access to sensitive information or impersonate the user entirely, putting their data at risk. This is absolutely devastating!

Put simply

Think of it like a restaurant where a waiter hands you a suspicious menu item — you might not notice that someone slipped in a dangerous dish that could spoil your meal! Here, that menu item is a corrupted URL leading to a harmful script running in your browser. This vulnerability allows attackers to execute arbitrary JavaScript in the context of the victim’s browser by convincing them to click on a specially crafted URL. This reflected XSS flaw exists in Adobe Connect versions 12.6, 11.4.7, and earlier.

What to do

If a victim visits this malicious URL, attackers can execute scripts that could steal session tokens, hijack accounts, or manipulate user sessions! This means they could gain unauthorized access to sensitive information or impersonate the user entirely, putting their data at risk. This is absolutely devastating! To protect yourself, immediately update Adobe Connect to the latest version that patches this vulnerability. Encourage users to be cautious about clicking unfamiliar links and educate them on identifying risky URLs. Security training can make a big difference! You’ve got this! Stay proactive and secure your systems. 🛡️

The record
Technical detail
CVSS v3.1
9.3 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00718 · 53.3th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2024-12-10T20:42Z
EPSS history
Timeline
  • 10 DEC 20:42Z
    Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)
    cvelistv5