CVE-2023-46857

Name: CVE-2023-46857
Creator: NVD / NIST
Published: 2023-12-07T06:15:54.74+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2023-46857 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Squidex before 7.9.0 allows XSS via an SVG document to the Upload Assets feature. This occurs because there is an incomplete blacklist in the SVG inspection, allowing JavaScript in the SRC attribute of an IFRAME element. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

Squidex before 7.9.0 allows XSS via an SVG document to the Upload Assets feature. This occurs because there is an incomplete blacklist in the SVG inspection, allowing JavaScript in the SRC attribute of an IFRAME element. An authenticated attack with assets.create permission is required for exploitation.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.57%

42.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Squidex.Io	Squidex	< 7.9.0

References

http://www.openwall.com/lists/oss-security/2023/11/08/4Mailing List
https://census-labs.com/news/2023/11/08/weak-svg-asset-filtering-mechanism-in-squidex-cms/Exploit
https://support.squidex.io/c/news/9Vendor Advisory
http://www.openwall.com/lists/oss-security/2023/11/08/4Mailing List
https://census-labs.com/news/2023/11/08/weak-svg-asset-filtering-mechanism-in-squidex-cms/Exploit
https://support.squidex.io/c/news/9Vendor Advisory

Timeline

Published: Dec 7, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-46857?

How severe is CVE-2023-46857?

CVE-2023-46857 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2023-46857?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-46857?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST