CVE-2016-6854 EXPLOIT
6.1
MEDIUM · CVSS 3.0 · EPSS 2.4% (pctl 84)
Patch early
A public exploit exists.
Description
An issue was discovered in Open-Xchange OX Guard before 2.4.2-rev5. Script code which got injected to a mail with inline PGP signature gets executed when verifying the signature. Malicious script code can be executed within a user's context. This can lead to session hijacking or triggering unwanted actions via the web interface (sending mail, deleting data etc.).
Scoring
| CVSS | 6.1 (MEDIUM, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| EPSS | 2.44% — more likely to be exploited than 84% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2016-12-15 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| open-xchange | ox guard |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Open-Xchange Guard 2.4.2 - Multiple Cross-Site Scripting Vulnerabilities | 2016-09-13 |
References
- http://packetstormsecurity.com/files/138701/Open-Xchange-Guard-2.4.2-Cross-Site-Scripting.html
- http://www.securityfocus.com/archive/1/539395/100/0/threaded
- http://www.securityfocus.com/bid/92920
- https://www.exploit-db.com/exploits/40377/
- http://packetstormsecurity.com/files/138701/Open-Xchange-Guard-2.4.2-Cross-Site-Scripting.html
- http://www.securityfocus.com/archive/1/539395/100/0/threaded
- http://www.securityfocus.com/bid/92920
- https://www.exploit-db.com/exploits/40377/
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