SmartDataSoft SmartBlog for PrestaShop - SQLi (CVE-2021-37538)

CVE-2021-37538 is a critical SQL injection vulnerability in SmartDataSoft SmartBlog for PrestaShop prior to version 4.06, allowing remote unauthenticated attackers to execute arbitrary SQL commands via multiple parameters. Exploitation of this flaw could lead to unauthorized access, data theft, or complete compromise of the underlying database.

CrowdSec has been tracking this vulnerability and its exploits since 10th of September 2025.

Data from the CrowdSec community indicates that exploitation of CVE-2021-37538 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations. In addition, according to the CrowdSec network, attack volume against CVE-2021-37538 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.

Attackers exploit the /module/smartblog/archive endpoint by injecting SQL commands into the month, year, or day parameters, often using UNION-based payloads to extract sensitive data from the database.