CVE-2025-44593: halo XSS (CVSS 6.1)

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

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
halo	halo	< 2.20.13

References

Other References

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

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 It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-44593? +

CVE-2025-44593 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-44593? +

CVE-2025-44593 affects products from halo, specifically: halo. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-44593? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-44593