What is CVE-2018-12611?

CVE-2018-12611 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-01-30.

How severe is CVE-2018-12611?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Open-Xchange Appsuite

CVE-2018-12611

OX App Suite 7.8.4 and earlier allows Directory Traversal.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-01-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.3th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Open-Xchange Appsuite

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

software.open-xchange.com/products/appsuite/doc/Release_Notes_for_Patch_Release… (Patch, Release Notes, Vendor Advisory)
software.open-xchange.com/OX6/doc/Release_Notes_for_Patch_Release_4791_7.8.4_20… (Patch, Release Notes, Vendor Advisory)
seclists.org/fulldisclosure/2019/Jan/10 (mailing-list, Exploit, Mailing List, Third Party Advisory)
software.open-xchange.com/OX6/doc/Release_Notes_for_Patch_Release_4790_7.8.3_20… (Patch, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2018-12611?: CVE-2018-12611 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-01-30.
How severe is CVE-2018-12611?: Medium severity. CVSS v3 base score is 6.1 out of 10.