GHSA-vh89-rjph-2g7p — medium GitHub Advisory (CVE-2026-27697) in composer/baserproject/basercms

Description

baserCMS has a SQL injection vulnerability in blog posts.

baserCMS 5.2.2 and earlier versions

Malicious SQL may be executed in blog posts.

Update to the latest version of baserCMS

Please refer to the following page to reference for more information.
https://basercms.net/security/JVN_52157568

Mirai Matsumoto@Future Secure Wave, Inc.

Score	Percentile
0.04%	10.57%

Base score	Version	Severity	Vector
6.9	4.0	—	`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network. Attack complexity (AC:L) Exploitation conditions are straightforward and stable. Attack requirements (AT:N) No additional preconditions are required beyond normal reachability. Privileges required (PR:N) No privileges are required. User interaction (UI:N) No user interaction is required. Vulnerable system confidentiality impact (VC:L) Limited confidentiality impact on the vulnerable system. Vulnerable system integrity impact (VI:L) Limited integrity impact on the vulnerable system. Vulnerable system availability impact (VA:L) Limited availability impact on the vulnerable system. Subsequent system confidentiality impact (SC:N) No confidentiality impact on subsequent systems. Subsequent system integrity impact (SI:N) No integrity impact on subsequent systems. Subsequent system availability impact (SA:N) No availability impact on subsequent systems.

Type	Value
GHSA	GHSA-vh89-rjph-2g7p ↗
CVE	CVE-2026-27697 ↗

CWE id	Name
CWE-89	Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Vulnerable version ranges and first patched releases as published by GitHub.

Ecosystem	Package	Vulnerable range	First patched	Vulnerable functions
composer	baserproject/basercms	<= 5.2.2	5.2.3	—