CVE-2025-64539CWE-79cross-site-scripting

CVE-2025-64539

Critical · published December 11, 2025

CVSS v3.1
9.3
EPSS
0%
Percentile
40.7
In the wild
Unconfirmed
What it is

🚨 A crafted link is all it takes to turn an unsuspecting user into an attack vector! Adobe Experience Manager versions 6.5.23 and earlier are vulnerable to a sneaky XSS flaw that could lead to arbitrary code execution. 🔥 Think of it as a restaurant where someone can sneak in their own recipe, and when the chef prepares it, it poisons the entire dining experience. If a user visits a malicious page, it’s like ordering off the menu without checking the ingredients, and suddenly they’re at risk! If exploited, an attacker could completely take over a user’s session, which means they can access sensitive information, make unauthorized changes, or even impersonate the user. This vulnerability poses a serious risk to the confidentiality and integrity of the user's data.

Put simply

Think of it as a restaurant where someone can sneak in their own recipe, and when the chef prepares it, it poisons the entire dining experience. If a user visits a malicious page, it’s like ordering off the menu without checking the ingredients, and suddenly they’re at risk! This vulnerability allows attackers to inject malicious scripts into web pages viewed by victims, executing the code in their browsers. This manipulation is DOM-based, meaning it directly affects the structure and behavior of the web page on the user's side.

What to do

If exploited, an attacker could completely take over a user’s session, which means they can access sensitive information, make unauthorized changes, or even impersonate the user. This vulnerability poses a serious risk to the confidentiality and integrity of the user's data. To safeguard your environment, immediately upgrade Adobe Experience Manager to version 6.5.24 or later. Additionally, educate users to be cautious of suspicious links and encourage the implementation of Content Security Policies (CSP) to mitigate risks. You've got this! By patching up and spreading awareness, you're on your way to fortifying your defenses! 🛡️

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
0.00483 · 40.7th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-12-11T00:16Z
Affected products (3)
ProductVersionsFixed in
adobe/experience_manager< 6.5.24.06.5.24.0
adobe/experience_manager< 2025.12.02025.12.0
adobe/experience_managerall versions—
References (1)
EPSS history
Timeline
  • 10 DEC 18:24Z
    Adobe Experience Manager | Cross-site Scripting (DOM-based XSS) (CWE-79)
    cvelistv5