Code injection vulnerability exists in a-blog cms Ver.3.1.x series versions prior to Ver.3.1.12 and Ver.3.0.x series versions prior to Ver.3.0.32. If this vulnerability is exploited, a user with an administrator or higher privilege who can log in to the product may execute an arbitrary command on the server.
Conclusion & alert: CVE-2024-31396 is rated Moderate Risk (51.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.75%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 0.97% | 0.75% | -0.22% |
| 2 | 2025-11-18 | 0.75% | 0.97% | +0.22% |
| 3 | 2025-10-11 | — | 0.75% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.6 | 3.1 | MEDIUM |
|
0.7 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| appleple | a-blog_cms | >= 3.0.0, < 3.0.32 | cpe:2.3:a:appleple:a-blog_cms:*:*:*:*:*:*:*:* |
| appleple | a-blog_cms | >= 3.1.0, < 3.1.12 | cpe:2.3:a:appleple:a-blog_cms:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://developer.a-blogcms.jp/blog/news/JVN-70977403.html | Vendor Advisory |
| https://jvn.jp/en/jp/JVN70977403/ | Third Party Advisory |