CVE-2018-5753
The frontend component in Open-Xchange OX App Suite before 7.6.3-rev31, 7.8.x before 7.8.2-rev31,...
The frontend component in Open-Xchange OX App Suite before 7.6.3-rev31, 7.8.x before 7.8.2-rev31, 7.8.3 before 7.8.3-rev41, and 7.8.4 before 7.8.4-rev20 allows remote attackers to spoof the origin of e-mails via unicode characters in the "personal part" of a (1) From or (2) Sender address.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The frontend component in Open-Xchange OX App Suite before 7.6.3-rev31, 7.8.x before 7.8.2-rev31, 7.8.3 before 7.8.3-rev41, and 7.8.4 before 7.8.4-rev20 allows remote attackers to spoof the origin of e-mails via unicode characters in the "personal part" of a (1) From or (2) Sender address.
- Record
CVE-2018-5753- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
The frontend component in Open-Xchange OX App Suite before 7.6.3-rev31, 7.8.x before 7.8.2-rev31, 7.8.3 before 7.8.3-rev41, and 7.8.4 before 7.8.4-rev20 allows remote attackers to spoof the origin of e-mails via unicode characters in the "personal part" of a (1) From or (2) Sender address.
- Record
CVE-2018-5753- Updated
- 2026-11-02
EUVDEUVD-2018-17522 No score
The frontend component in Open-Xchange OX App Suite before 7.6.3-rev31, 7.8.x before 7.8.2-rev31, 7.8.3 before 7.8.3-rev41, and 7.8.4 before 7.8.4-rev20 allows remote attackers to spoof the origin of e-mails via unicode characters in the "personal part" of a (1) From or (2) Sender address.
- Record
EUVD-2018-17522- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8rfv-4356-35qw
The frontend component in Open-Xchange OX App Suite before 7.6.3-rev31, 7.8.x before 7.8.2-rev31,...
The frontend component in Open-Xchange OX App Suite before 7.6.3-rev31, 7.8.x before 7.8.2-rev31, 7.8.3 before 7.8.3-rev41, and 7.8.4 before 7.8.4-rev20 allows remote attackers to spoof the origin of e-mails via unicode characters in the "personal part" of a (1) From or (2) Sender address.
- Record
GHSA-8rfv-4356-35qw- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | OX App Suite 7.8.4 - Multiple Vulnerabilities | 2018-06-12 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-5753 is a medium vulnerability (CVSS 6.5) in Open-xchange Appsuite, published June 15, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 8.12%, the 94th percentile. No source names a fixed version.