CVE-2025-43926

Description

An issue was discovered in Znuny through 6.5.14 and 7.x through 7.1.6. Custom AJAX calls to the AgentPreferences UpdateAJAX subaction can be used to set user preferences with arbitrary keys. When fetching user data via GetUserData, these keys and values are retrieved and given as a whole to other function calls, which then might use these keys/values to affect permissions or other settings.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://znuny.com
https://www.znuny.org/en/advisories/zsa-2025-07

Frequently Asked Questions

What is the severity of CVE-2025-43926?
CVE-2025-43926 has been scored as a medium severity vulnerability.
How to fix CVE-2025-43926?
To fix CVE-2025-43926, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-43926 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-43926 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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