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CVE-2026-114621: baserCMS: SQL injection in the admin panel and admin API

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-23 · updated 2026-10-29
• Weakness: CWE-89

Description

baserCMS is a website development framework. In versions 5.0.0 before 5.3.2 and 5.4.0 before 5.4.2, list and detail actions in the Admin and Api/Admin prefixes pass request query parameters, including contain, conditions, fields, finder, and order, directly to the ORM as options. A user able to log into the admin panel can embed SQL fragments in those options to execute arbitrary SQL against the application's database, including reading password hashes from the users table. Public-page and public-API fixes released in 5.3.1 and 5.4.1 did not protect these administrative paths. Setting USE_CORE_ADMIN_API to false does not prevent access through an authenticated browser session. This issue has been patched in versions 5.3.2 and 5.4.2.

Affected products

• baserproject basercms: from 5.0.0, < 5.3.2; from 5.4.0, < 5.4.2

References

• https://github.com/baserproject/basercms/commit/344de2aa975eda6d85dc1fa4647ba094caf8dcb6
• https://github.com/baserproject/basercms/releases/tag/5.3.2
• https://github.com/baserproject/basercms/releases/tag/5.4.2
• https://github.com/baserproject/basercms/security/advisories/GHSA-2w6g-wp3r-26m3

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