CVE-2024-0317: FireEye EX · Cross-site Scripting
Affects FireEye EXSource CVE Database V5
Not known to be exploited · CVSS 5.4 Medium.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 23% 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:U/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 15 Jan 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| FireEye FireEye EX | Affected
| Fixed in– |
AI-suggested
- Immediate mitigation should focus on restricting access to the FireEye EX management interface to trusted networks and users only, employing network segmentation and strict access controls.
- Implement multi-factor authentication (MFA) for all users accessing FireEye EX to reduce the risk of session hijacking.
- Educate users and administrators about the risks of clicking on untrusted links or inputs, emphasizing caution with unexpected or suspicious URLs or parameters.
- Monitor logs for unusual activity or repeated attempts to exploit the 'type' and 's_f_name' parameters.
- Apply any vendor-released patches or updates promptly once available.
- Consider deploying web application firewalls (WAFs) with rules designed to detect and block XSS payloads targeting these parameters.
- Conduct regular security assessments and penetration tests focusing on the FireEye EX interface to identify and remediate similar input validation issues.
- Review and harden session management policies to limit session lifetime and scope, reducing the window of opportunity for attackers.
Description
Cross-Site Scripting in FireEye EX, affecting version 9.0.3.936727. Exploitation of this vulnerability allows an attacker to send a specially crafted JavaScript payload via the 'type' and 's_f_name' parameters to an authenticated user to retrieve their session details.