CVE-2025-29457: SSRF
An issue in MyBB 1.8.38 allows a remote attacker to obtain sensitive information via the Import a Theme function. NOTE: the Supplier disputes this because of the allowed actions of Board administrators and because of SSRF mitigation.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-29457?
CVE-2025-29457 has been classified with a moderate severity level, indicating a risk of sensitive information exposure.
How do I fix CVE-2025-29457?
To fix CVE-2025-29457, update your MyBB installation to the latest version to eliminate the vulnerability.
Who is affected by CVE-2025-29457?
CVE-2025-29457 affects all installations of MyBB version 1.8.38 and earlier.
What details can an attacker obtain through CVE-2025-29457?
An attacker can retrieve sensitive information from the server by exploiting the Import a Theme function in MyBB.
Is there a workaround for CVE-2025-29457?
As a temporary workaround for CVE-2025-29457, users can disable the Import a Theme functionality until the software is updated.