How severe is CVE-2025-8319?

CVE-2025-8319 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-8319 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8319?

CVE-2025-8319 affects Barracuda Message Archiver Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8319?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-8319 have an EU (EUVD) identifier?

Yes. CVE-2025-8319 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23134.

When was CVE-2025-8319 published?

CVE-2025-8319 was published on 2025-07-30 and last updated on 2026-06-17.

CVE-2025-8319

CVE-2025-8319 is a medium-severity vulnerability in Barracuda Message Archiver Firmware with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-23134
Weakness: CWE-79
Affected product: Barracuda Message Archiver Firmware
Published: 2025-07-30
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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
How severe is CVE-2025-8319?: CVE-2025-8319 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-8319 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8319?: CVE-2025-8319 affects Barracuda Message Archiver Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8319?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8319 have an EU (EUVD) identifier?: Yes. CVE-2025-8319 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23134.
When was CVE-2025-8319 published?: CVE-2025-8319 was published on 2025-07-30 and last updated on 2026-06-17.

References

https://bugcrowd.com/disclosures/30a330ef-0885-458c-a64f-2ad63d196b4d/dom-based-cross-site-scripting-xss-with-keylogger-injection-via-the-error-parameter-in-barracuda-mail-archiver

Affected products (1)

cpe:2.3:o:barracuda:message_archiver_firmware:5.4.2.002:*:*:*:*:*:*:*

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