CVE-2016-8581
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…
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Public exploit
A reference of the record is tagged as an exploit or proof of concept: anyone can try it against an unpatched system.
- 40683 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Timeline
ID reserved
By mitre
- 18 days later
· 18 days later
Published
- 8 years later
· 8 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 17.1% · top 2.9% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
Affected products
n/a
- affected n/a
References (3)
- 93862 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 40683 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://www.alienvault.com/forums/discussion/7766/security-advisory-alienvault-5-3-2-address-70-vulnerabilities (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2016-8581)Record last updated .