CVE-2016-8581 json
A persistent XSS vulnerability exists in the User-Agent header of the login process of AlienVault OSSIM and USM before 5.3.2 that allows an…
published 2016-10-28 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-9428
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 17.1%
- EPSS 17.1% chance of exploitation in 30 days, percentile 97%
- public exploits
- 2
- Metasploit, Exploit-DB
Summary
A persistent XSS vulnerability exists in the User-Agent header of the login process of AlienVault OSSIM and USM before 5.3.2 that allows an attacker to steal session IDs of logged in users when the current sessions are viewed by an administrator.
Timeline
- First public exploit (Metasploit exploit/linux/http/alienvault_sqli_exec)
- Published
Exploit prediction
17.06% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Metasploit exploit/linux/http/alienvault_sqli_exec AlienVault OSSIM SQL Injection and Remote Code Execution metasploit exploit, excellent rank, 2014-04-24
- EDB-40683 Alienvault OSSIM/USM 5.3.1 - Persistent Cross-Site Scripting webapps, 2016-11-02
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
Sources
- CVE List CVE-2016-8581
- NVD CVE-2016-8581
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.