What is CVE-2015-9280?

CVE-2015-9280 is a critical-severity vulnerability in Mailenable, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 10.0/10. Published 2019-01-16.

How severe is CVE-2015-9280?

Critical severity. CVSS v3 base score is 10.0 out of 10.

XXE in Mailenable

CVE-2015-9280

MailEnable before 8.60 allows XXE via an XML document in the request.aspx Options parameter.

Vulnerability class: XXE (XML External Entity)

Published 2019-01-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Mailenable

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

www.nccgroup.trust/globalassets/our-research/uk/technical-advisories/2015/techn… (Exploit, Third Party Advisory)
www.nccgroup.trust/uk/our-research/multiple-vulnerabilities-in-mailenable/ (Third Party Advisory)
web.archive.org/web/20150329173628/http://www.mailenable.com/Standard-ReleaseNo… (Third Party Advisory, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2015-9280?: CVE-2015-9280 is a critical-severity vulnerability in Mailenable, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 10.0/10. Published 2019-01-16.
How severe is CVE-2015-9280?: Critical severity. CVSS v3 base score is 10.0 out of 10.