What is CVE-2025-8319?

CVE-2025-8319 is a medium-severity vulnerability in Barracuda Message Archiver, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-07-30.

How severe is CVE-2025-8319?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2025-8319 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Barracuda Message Archiver

CVE-2025-8319

the BMA login interface allows arbitrary JavaScript or HTML to be written straight into the page’s Document Object Model via the error= URL parameter

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (16.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Barracuda Message Archiver — versions 5.4.2.002
Barracuda Message_archiver_firmware — versions 5.4.2.002

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

4ac701fe-44e9-4bcd-9585-dd6449257611 (Exploit, Third Party Advisory, Mitigation, Issue Tracking)

Frequently asked questions

What is CVE-2025-8319?: CVE-2025-8319 is a medium-severity vulnerability in Barracuda Message Archiver, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-07-30.
How severe is CVE-2025-8319?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2025-8319 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.