CVE-2016-5740

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-12-15 · updated 2026-06-17
Weakness: CWE-79

Description

An issue was discovered in Open-Xchange OX App Suite before 7.8.2-rev5. JavaScript code can be used as part of ical attachments within scheduling E-Mails. This content, for example an appointment's location, will be presented to the user at the E-Mail App, depending on the invitation workflow. This code gets executed within the context of the user's current session. 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.).

Affected products

Open-Xchange Appsuite: through 7.8.2

References

http://packetstormsecurity.com/files/138700/Open-Xchange-App-Suite-7.8.2-Cross-Site-Scripting.html
http://www.securityfocus.com/archive/1/539394/100/0/threaded
http://www.securityfocus.com/bid/92922
https://www.exploit-db.com/exploits/40378/
http://packetstormsecurity.com/files/138700/Open-Xchange-App-Suite-7.8.2-Cross-Site-Scripting.html
http://www.securityfocus.com/archive/1/539394/100/0/threaded
http://www.securityfocus.com/bid/92922
https://www.exploit-db.com/exploits/40378/

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