CVE-2025-31103 json
Untrusted data deserialization vulnerability exists in a-blog cms.
published 2025-03-31 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-14787
- cvss
- 7.5
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 42%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- appleple a-blog_cms 2.10.58, 2.11.70, 3.0.41, 3.1.37
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 19 mo ago
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected products
- appleple inc. a-blog cms (Ver.3.1.x series)
- appleple inc. a-blog cms (Ver.3.0.x series)
- appleple inc. a-blog cms (Ver.2.11.x series)
- appleple inc. a-blog cms (Ver.2.10.x series)
- appleple inc. a-blog cms (Ver.2.9.x series)
- appleple inc. a-blog cms (Ver. 2.8.x series)
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
developer.a-blogcms.jp
/blog/news/security-update202503.html
vendor-advisory
-
developer.a-blogcms.jp
/blog/news/entry-4197.html
vendor-advisory
-
jvn.jp
/en/jp/JVN66982699/
third-party-advisory
Sources
- CVE List CVE-2025-31103
- NVD CVE-2025-31103
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