peter bassill · operator
$ cve CVE-2016-5740 JSON

CVE-2016-5740 EXPLOIT

6.1
MEDIUM · CVSS 3.0 · EPSS 4.3% (pctl 91)

Patch early

A public exploit exists.

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.).

Scoring

CVSS6.1 (MEDIUM, v3.0)
VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS4.27% — more likely to be exploited than 91% of all CVEs
WeaknessCWE-79
On CISA KEVno
Public exploityes
Published2016-12-15
Last modified2026-06-17

Affected (1)

VendorProduct
open-xchangeopen-xchange appsuite

Public exploits

SourceTitleDate
exploit-dbOpen-Xchange App Suite 7.8.2 - Cross-Site Scripting2016-09-13

References

→ the Explorer  ·  watch your stack  ·  NVD