CVE-2023-42431

Name: CVE-2023-42431
Creator: NVD / NIST
Published: 2023-10-30T11:15:39.267+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2023-42431 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Cross-site Scripting (XSS) vulnerability in BlueSpiceAvatars extension of BlueSpice allows logged in user to inject arbitrary HTML into the profile image dialog on Special:Preferences. This only applies to the genuine user context.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

Cross-site Scripting (XSS) vulnerability in BlueSpiceAvatars extension of BlueSpice allows logged in user to inject arbitrary HTML into the profile image dialog on Special:Preferences. This only applies to the genuine user context.

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

0.34%

26.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Hallowelt	Bluespice	>= 3.0, < 3.2.10.1
Hallowelt	Bluespice	>= 4.0, < 4.3.3

References

https://en.wiki.bluespice.com/wiki/Security:Security_Advisories/BSSA-2023-02Exploit, Third Party Advisory
https://en.wiki.bluespice.com/wiki/Security:Security_Advisories/BSSA-2023-02Exploit, Third Party Advisory

Timeline

Published: Oct 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-42431?

How severe is CVE-2023-42431?

CVE-2023-42431 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2023-42431?

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-2023-42431?

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

Scan your code now

Source: NVD / NIST