# CVE-2024-42852: AcuToWeb - XSS

> Live exploitation tracking for CVE-2024-42852 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-2024-42852

## Key facts

- **Exploitation phase:** Limited Exploitation. The vulnerability is known but shows very limited attacker interest or exploitation activity.
- **CVSS score:** 6.1
- **Public exploit available:** Yes
- **Affected products:** AcuToWeb
- **Weaknesses:** CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

## Description

Cross Site Scripting vulnerability in AcuToWeb server v.10.5.0.7577C8b allows a remote attacker to execute arbitrary code via the index.php component.

## CrowdSec analysis

[CVE-2024-42852](https://euvd.enisa.europa.eu/vulnerability/CVE-2024-42852) is a cross-site scripting (XSS) vulnerability in AcuToWeb server version 10.5.0.7577C8b, specifically affecting the index.php component. This flaw allows remote attackers to inject and execute arbitrary code in the context of a user's browser session, potentially leading to data theft or session hijacking through malicious scripts.

CrowdSec has been tracking this vulnerability and its exploits since 24th of July 2025.

Data from the CrowdSec community indicates that exploitation of CVE-2024-42852 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.
CrowdSec network telemetry also shows that exploitation of CVE-2024-42852 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.

Attackers exploit the `portgw` query parameter to inject XSS payloads, enabling arbitrary JavaScript execution in browsers visiting the vulnerable AcuToWeb endpoint.

## Timeline

- 2024-08-23: CVE Published. CVE-2024-42852 is published to NVD.
- 2025-07-24: Rule Released. CrowdSec releases a rule to detect CVE-2024-42852 exploitation attempts against the CrowdSec Network.
- 2025-08-07: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2024-42852 for the first time.

## References

- https://github.com/Hebing123/cve/issues/64
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-42852.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2024-42852) follows observed exploitation activity for CVE-2024-42852. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.