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High severity · published Mar 31, 2025
CVE-2025-31103
Untrusted data deserialization vulnerability exists in a-blog cms
7.5
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
a-blog cms (Ver. 2.8.x series) · appleple inc.
prior to Ver.2.8.80 · source: vendor
AC
a-blog cms (Ver.2.10.x series) · appleple inc.
prior to Ver.2.10.58 · source: vendor
AC
a-blog cms (Ver.2.11.x series) · appleple inc.
prior to Ver.2.11.70 · source: vendor
AC
a-blog cms (Ver.2.9.x series) · appleple inc.
prior to Ver.2.9.46 · source: vendor
AC
a-blog cms (Ver.3.0.x series) · appleple inc.
prior to Ver.3.0.41 · source: vendor
AC
a-blog cms (Ver.3.1.x series) · appleple inc.
prior to Ver.3.1.37 · source: vendor
AC
A-blog Cms · Appleple
through 2.8.80; 2.9.0 through 2.9.46; 2.10.0 before 2.10.58; 2.11.0 before 2.11.70; 3.0.0 before 3.0.41; 3.1.0 before 3.1.37 · source: NVD
Affected product
AC
a-blog cms (Ver. 2.8.x series)
appleple inc.
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-31103
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-31103
Vendor Advisory
https://developer.a-blogcms.jp/blog/news/entry-4197.html
Vendor Advisory
https://developer.a-blogcms.jp/blog/news/security-update202503.html
Third Party Advisory
https://jvn.jp/en/jp/JVN66982699/