# CVE-2021-24827: Asgaros WordPress plugin - SQLi

> Live exploitation tracking for CVE-2021-24827 by the CrowdSec Live Exploit Tracker, built from real-world attack data crowdsourced from CrowdSec's global network.

Page: https://tracker.crowdsec.net/cves/CVE-2021-24827

## Key facts

- **Exploitation phase:** Background Noise. Continuous low-level scanning or exploitation attempts are observed, mostly opportunistic and automated.
- **CVSS score:** 9.8
- **Public exploit available:** Yes
- **Affected products:** N/A Asgaros Forum
- **Weaknesses:** CWE-89 (Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection'))
- **Tags:** cms, wordpress

## Description

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](https://euvd.enisa.europa.eu/vulnerability/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 5th of February 2025.

CrowdSec network data shows that most actors exploiting CVE-2021-24827 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature.
Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2021-24827 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2021-24827 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.

Observed attack attempts are characterized by requests made to URLs including `/forum/?subscribe_topic=`.

## Timeline

- 2021-11-08: CVE Published. CVE-2021-24827 is published to NVD.
- 2025-02-05: Rule Released. CrowdSec releases a rule to detect CVE-2021-24827 exploitation attempts against the CrowdSec Network.
- 2025-02-06: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2021-24827 for the first time.

## References

- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24827.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2021-24827) follows observed exploitation activity for CVE-2021-24827. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.