baserproject BaserCMS up to 5.2.x Backup Restore BcDatabaseService.php sql injection

Summaryinfo

A vulnerability, which was classified as problematic, has been found in baserproject BaserCMS up to 5.2.x. This vulnerability affects unknown code of the file BcDatabaseService.php of the component Backup Restore. The manipulation leads to sql injection. This vulnerability is uniquely identified as CVE-2026-76635. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in baserproject BaserCMS up to 5.2.x and classified as problematic. This issue affects an unknown functionality of the file BcDatabaseService.php of the component Backup Restore. The manipulation with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

baserCMS before 5.3.0 contains a SQL injection vulnerability in BcDatabaseService.php that allows authenticated administrators to inject attacker-controlled table names and configuration values directly into SQL statements across sequence update, CSV export, and table management operations. Attackers can chain a backup restore code injection flaw, where PHP code outside class definitions in schema files executes unconditionally upon loading, to plant malicious table names and trigger error-based SQL injection that retrieves database version, schema contents, and arbitrary data from the PostgreSQL backend.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-76635 since 08/19/2026. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are required for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1505 for this issue.

By approaching the search of inurl:BcDatabaseService.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 5.3.0 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• baserproject

Name

• BaserCMS

Version

• 5.0
• 5.1
• 5.2

License

• open-source

Website

• Product: https://github.com/baserproject/basercms/

CPE 2.3info

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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