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CVE-2024-40742VulnerabilityPublished Updated

CVE-2024-40742: Vuln-Netbox · n/a

Affects Vuln-NetboxSource CVE Database V5

0

Not known to be exploited · CVSS 6.1 Medium.

Data as of 26 Oct 2026, 07:57 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 38% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Jul 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
GitHubminhquan202/Vuln-Netboxpkg:github/minhquan202/Vuln-NetboxOther threatsAffected
  • =4.0.3
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

1. Implement strict input validation and output encoding on the circuit ID parameter in the /circuits/circuits/add endpoint to neutralize malicious scripts. 2. Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts in the NetBox web interface. 3. Educate users to recognize and avoid interacting with suspicious links or payloads that could trigger XSS attacks. 4. Monitor web server logs and application behavior for unusual requests or error patterns indicative of attempted XSS exploitation. 5. 6. Regularly update NetBox to the latest versions once patches addressing this vulnerability are published. 7. Use web application firewalls (WAFs) configured to detect and block XSS attack patterns targeting NetBox endpoints. 8. Conduct internal penetration testing and code reviews focused on input handling to identify and remediate similar vulnerabilities.

Description

A cross-site scripting (XSS) vulnerability in netbox v4.0.3 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the circuit ID parameter at /circuits/circuits/add.

References

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