Medium severity · published Oct 22, 2026
CVE-2025-69723
A reflected cross-site scripting (XSS) vulnerability in localstack v4.9.2 allows attackers to execute arbitrary Javascript in the context of the user's browser via a crafted URL
New
6.1
CVSS
0.2%
EPSS
No
On KEV
Description
A reflected cross-site scripting (XSS) vulnerability in localstack v4.9.2 allows attackers to execute arbitrary Javascript in the context of the user's browser via a crafted URL.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known