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CVE-2024-34058VulnerabilityPublished Updated

CVE-2024-34058: n/a

Source CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.1% chance of exploitation in 30 days – higher than 67% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 17 May 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 2026-10-25.

What to do

AI-suggested

To mitigate CVE-2024-34058, organizations should prioritize the following specific actions: 1) Monitor official NethServer and WebTop project channels for patches or updates addressing this vulnerability and apply them promptly once available. 2) Implement strict input validation and sanitization on all user-supplied content, especially email subject fields and other metadata, to prevent injection of malicious scripts. 3) Employ web application firewalls (WAFs) with rules targeting XSS attack patterns to detect and block malicious payloads before they reach the application. 4) Restrict privileges to minimize the number of users who can send or modify emails, reducing the attack surface for stored XSS. 5) Conduct regular security audits and penetration testing focused on web application vulnerabilities within NethServer environments. 6) Educate users about the risks of suspicious emails and encourage reporting of unusual behavior. 7) Consider isolating or sandboxing WebTop services to limit the impact of any successful exploitation. 8) Enable Content Security Policy (CSP) headers to restrict script execution sources and reduce XSS impact. These targeted measures go beyond generic advice by focusing on the specific context of NethServer's WebTop package and stored XSS attack vectors.

Description

The WebTop package for NethServer 7 and 8 allows stored XSS (for example, via the Subject field if an e-mail message).

References

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