CVE-2018-25203

Online Store System CMS 1.0 contains an SQL injection vulnerability that allows unauthenticated attackers to manipulate database queries by injecting SQL code through the email parameter. Attackers can send POST requests to index.php with the action=clientaccess parameter using boolean-based blind or time-based blind SQL injection payloads in the email field to extract sensitive database information.

Score

CVSS 4.0 8.8 High

Status

Deferred - disclosure@vulncheck.com

Published

2026-03-26

Last modified

2026-07-15

Weaknesses

CWE-89

Affected products

• Online Store System (Online Store System Project)

References

• https://www.exploit-db.com/exploits/44719
• https://www.vulncheck.com/advisories/online-store-system-cms-sql-injection-via-clientaccess
• https://www.wecodex.com/item/view/online-store-system-in-php-and-mysql/3