CVE-2016-6854

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.).

CVSS v3.0

6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS

2.44% chance of exploitation in the next 30 days, 83th percentile

Published

2016-12-15

Updated

2024-08-06

Proof-of-concept exploits (1)

• http://packetstormsecurity.com/files/138701/Open-Xchange-Guard-2.4.2-Cross-Site-Scripting…

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/40377

References

• CVE Record
• NVD entry

Related

• CVE-2016-6853
• CVE-2016-6855
• CVE-2016-6851
• CVE-2016-6896
• CVE-2016-6840
• CVE-2016-6897