CVE-2025-3894

Stored XSS in MegaBIP

Description

Text editor embedded into MegaBIP software does not neutralize user input allowing Stored XSS attacks on other users. In order to use the editor high privileges are required.   Version 5.20 of MegaBIP fixes this issue.

Category

4.8
CVSS
Severity: Medium
CVSS 4.0 •
EPSS 0.04%
Vendor Advisory megabip.pl
Affected: Jan Syski MegaBIP
Published at:
Updated at:

References

Link Tags
https://cert.pl/en/posts/2025/05/CVE-2025-3893 third party advisory
https://megabip.pl/index.php?id=24,145 vendor advisory
https://www.gov.pl/web/cyfryzacja/rekomendacja-pelnomocnika-rzadu-ds-cyberbezpieczenstwa-dotyczaca-biuletynow-informacji-publicznej government resource

Frequently Asked Questions

What is the severity of CVE-2025-3894?
CVE-2025-3894 has been scored as a medium severity vulnerability.
How to fix CVE-2025-3894?
To fix CVE-2025-3894, 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-2025-3894 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-3894 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.
What software or system is affected by CVE-2025-3894?
CVE-2025-3894 affects Jan Syski MegaBIP.
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