CVE-2025-31103 – “a-blog CMS File Deserialization Vulnerability”

The following table lists the changes that have been made to the
CVE-2025-31103 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Mar. 31, 2025

    Action Type Old Value New Value
    Added Description Untrusted data deserialization vulnerability exists in a-blog cms. Processing a specially crafted request may store arbitrary files on the server where the product is running. This can be leveraged to execute an arbitrary script on the server.
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    Added CWE CWE-502
    Added Reference https://developer.a-blogcms.jp/blog/news/entry-4197.html
    Added Reference https://developer.a-blogcms.jp/blog/news/security-update202503.html
    Added Reference https://jvn.jp/en/jp/JVN66982699/
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