Asgaros WordPress plugin - SQLi (CVE-2021-24827)
130Exploiting IPs reported
The Asgaros Forum WordPress plugin before 1.15.13 does not validate and escape user input when subscribing to a topic before using it in a SQL statement, leading to an unauthenticated SQL injection issue
CrowdSec analysis
CVE-2021-24827 is a critical vulnerability in the Asgaros Forum WordPress plugin that allows unauthenticated attackers to perform SQL injection by sending crafted requests during the topic subscription process.
CrowdSec has been tracking this vulnerability and its exploits since 10th of March 2025.
CrowdSec network observations suggest that most exploitation of CVE-2021-24827 involves focused reconnaissance to identify viable targets. Attackers typically tailor their campaigns based on system exposure and configuration. It is unlikely that a given attack is accidental. Data from the CrowdSec community also indicates a gradual decrease in attacks targeting CVE-2021-24827. While still present in the wild, exploitation levels have dropped noticeably week-over-week. This may signal that the vulnerability is becoming less relevant or that defenses are improving fast enough for attackers to lose interest.
Observed attack attempts are characterized by requests made to URLs including /forum/?subscribe_topic=.
Exploitation
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Common Weakness Enumeration (CWE)
Protection
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Blocklist
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