Cross-site scripting vulnerability exists in a-blog cms Ver.3.1.x series versions prior to Ver.3.1.12, Ver.3.0.x series versions prior to Ver.3.0.32, Ver.2.11.x series versions prior to Ver.2.11.61, Ver.2.10.x series versions prior to Ver.2.10.53, and Ver.2.9 and earlier versions. If this vulnerability is exploited, a user with an editor or higher privilege who can log in to the product may execute an arbitrary script on the web browser of the user who accessed the schedule management page.
Conclusion & alert: CVE-2024-31395 is rated Moderate Risk (51.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.94%). 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 | 0.49% | 0.94% | +0.45% |
| 2 | 2025-11-18 | 0.94% | 0.49% | -0.45% |
| 3 | 2025-10-11 | — | 0.94% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| appleple | a-blog_cms | < 2.10.53 | cpe:2.3:a:appleple:a-blog_cms:*:*:*:*:*:*:*:* |
| appleple | a-blog_cms | >= 2.11.0, < 2.11.61 | cpe:2.3:a:appleple:a-blog_cms:*:*:*:*:*:*:*:* |
| 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 |