Summary: A critical security vulnerability (CVE-2025-31103) has been identified in a-blog cms, enabling attackers to exploit untrusted data deserialization and potentially execute arbitrary scripts on affected web servers. The Japan Computer Emergency Response Team (JPCERT/CC) has highlighted the urgency of the issue, as attackers have already begun targeting vulnerable versions of the software. Immediate updates or workarounds are advised to mitigate these risks.
Affected: a-blog cms
Keypoints :
- Vulnerability allows attackers to store arbitrary files and execute scripts on affected servers.
- Affected versions include a-blog cms versions prior to several specified releases, including Ver.3.1.37 and earlier.
- Observed attacks indicate active exploitation, highlighting the need for urgent action to update or apply workarounds.