CVE-2025-43933

CRITICAL

Published Jul 7, 2025 Modified Apr 15, 2026 CWE-472

Description

fblog through 983bede allows account takeover via the password reset feature because SERVER_NAME is not configured and thus a reset depends on the Host HTTP header.

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CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-472 CWE-472

References

Other References

https://github.com/ghost123gg/fblog/blob/983bedec9f837a54ab2dfd358a9cb45504a2e709/app/templates/auth/email/resetPassword.html#L1-L8 https://github.com/ghost123gg/fblog/issues/5

Frequently Asked Questions

What is CVE-2025-43933? +

fblog through 983bede allows account takeover via the password reset feature because SERVER_NAME is not configured and thus a reset depends on the Host HTTP header. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-43933? +

CVE-2025-43933 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

How do I check if I'm vulnerable to CVE-2025-43933? +

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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