CVE-2016-5740

Name: CVE-2016-5740
Creator: NVD / NIST
Published: 2016-12-15T06:59:14.253+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.27%

Last modified Jun 17, 2026

CVE-2016-5740 is a vulnerability of currently unknown severity. 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. EPSS estimates a 4.27% chance of exploitation in the next 30 days.

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.).

Metrics

EPSS Probability

4.27%

89.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions	Update
Open-Xchange	Open-Xchange Appsuite	<= 7.8.2	Rev4

References

http://packetstormsecurity.com/files/138700/Open-Xchange-App-Suite-7.8.2-Cross-Site-Scripting.htmlMitigation, Third Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/539394/100/0/threaded
http://www.securityfocus.com/bid/92922Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/40378/Mitigation, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/138700/Open-Xchange-App-Suite-7.8.2-Cross-Site-Scripting.htmlMitigation, Third Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/539394/100/0/threaded
http://www.securityfocus.com/bid/92922Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/40378/Mitigation, Third Party Advisory, VDB Entry

Timeline

Published: Dec 15, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-5740?

How severe is CVE-2016-5740?

Severity scoring for CVE-2016-5740 is pending analysis. The EPSS model estimates a 4.27% probability of exploitation in the next 30 days.

How do I fix CVE-2016-5740?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-5740?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST