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Description

Path traversal vulnerability exists in a-blog cms versions prior to Ver. 3.1.43 and versions prior to Ver. 3.0.47. This is an issue with insufficient path validation in the backup feature, and exploitation requires the administrator privilege. If this vulnerability is exploited, a remote authenticated attacker with the administrator privilege may obtain or delete any file on the server.

PUBLISHED Reserved 2025-05-12 | Published 2025-05-19 | Updated 2025-05-19 | Assigner jpcert




LOW: 3.8CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Problem types

Improper limitation of a pathname to a restricted directory ('Path Traversal')

Product status

prior to Ver. 3.1.43 (Ver. 3.1.x series)
affected

prior to Ver. 3.0.47 (Ver. 3.0.x series)
affected

References

developer.a-blogcms.jp/blog/news/JVNVU-90760614.html

jvn.jp/en/vu/JVNVU90760614/

cve.org (CVE-2025-27566)

nvd.nist.gov (CVE-2025-27566)

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