What is CVE-2018-5754?

CVE-2018-5754 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-06-16.

How severe is CVE-2018-5754?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Open-Xchange Appsuite

CVE-2018-5754

Cross-site scripting (XSS) vulnerability in the office-web component in Open-Xchange OX App Suite before 7.8.3-rev12 and 7.8.4 before 7.8.4-rev9 allows remote attackers to inject arbitrary web script or HTML via a crafted presentation file, related to copying content to the clipboard.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-06-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.030 (86.8th percentile), scored 2026-10-04.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.035 · newest: 0.030 · change: -0.005

Affected products

Open-Xchange Appsuite — versions 7.8.3, 7.8.4

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

packetstormsecurity.com/files/148118/OX-App-Suite-7.8.4-XSS-Privilege-Managemen… (Exploit, VDB Entry, Third Party Advisory)
www.exploit-db.com/exploits/44881/ (Exploit, VDB Entry, Third Party Advisory, exploit)
seclists.org/fulldisclosure/2018/Jun/23 (mailing-list, Exploit, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2018-5754?: CVE-2018-5754 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-06-16.
How severe is CVE-2018-5754?: Medium severity. CVSS v3 base score is 5.4 out of 10.