Quick answers
- Is CVE-2025-64392 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2025-64392 being exploited in the wild.
- How severe is CVE-2025-64392?
- Informational severity, published 7 October 2026.
- Which products and versions are affected?
- Veeam Backup & Replication 12.3.2.4854 and all earlier version 12 builds.
- Is there a fix for CVE-2025-64392?
- Yes: fixed in Veeam Backup & Replication 12.3.2 P4 (build 12.3.2.4934). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2025-64392 attacked?
- It is attacked over the network.
- Am I affected by CVE-2025-64392?
- Check whether you run Veeam Backup & Replication at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: Veeam Backup & Replication 12.3.2 P4 (build 12.3.2.4934)
Technical details
A reflected XSS vulnerability in Veeam Backup Enterprise Manager's web portal allows authenticated users with low privileges to inject and execute arbitrary JavaScript in the context of other authenticated users' browsers via a crafted URL. The attack requires user interaction (the victim must click the malicious link) and an authenticated session. An attacker can perform actions as the victim user, such as accessing backup data, modifying configurations, or stealing session credentials.
Affected products
- Veeam Backup & Replication 12.3.2.4854 and all earlier version 12 builds
Timeline
- 2026-10-06: disclosed