How severe is CVE-2025-44593?

CVE-2025-44593 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-2025-44593 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-44593?

CVE-2025-44593 affects Halo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-44593?

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

Does CVE-2025-44593 have an EU (EUVD) identifier?

Yes. CVE-2025-44593 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27586.

When was CVE-2025-44593 published?

CVE-2025-44593 was published on 2025-09-09 and last updated on 2026-06-17.

CVE-2025-44593

CVE-2025-44593 is a medium-severity vulnerability in Halo 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% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27586
Weakness: CWE-79
Affected product: Halo
Published: 2025-09-09
Last modified: 2026-06-17

Description

Halo prior to 2.20.13 allows bypassing file type detection and uploading malicious files such as .exe and .html files. Specifically, .html files can trigger stored XSS vulnerabilities. This vulnerability is fixed in 2.20.13

Frequently asked questions

What is CVE-2025-44593?: Halo prior to 2.20.13 allows bypassing file type detection and uploading malicious files such as .exe and .html files. Specifically, .html files can trigger stored XSS vulnerabilities. This vulnerability is fixed in 2.20.13
How severe is CVE-2025-44593?: CVE-2025-44593 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-2025-44593 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-44593?: CVE-2025-44593 affects Halo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-44593?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-44593 have an EU (EUVD) identifier?: Yes. CVE-2025-44593 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27586.
When was CVE-2025-44593 published?: CVE-2025-44593 was published on 2025-09-09 and last updated on 2026-06-17.

References

https://meadow-horn-b94.notion.site/halo-File-Upload-Vulnerability-14c42bd5b11880d58e11cd976f8e9d4f

Affected products (1)

cpe:2.3:a:halo:halo:*:*:*:*:*:*:*:*

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