What is CVE-2022-40777?

CVE-2022-40777 is a high-severity vulnerability in Interspire Email Marketer, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2022-10-11.

How severe is CVE-2022-40777?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Interspire Email Marketer

CVE-2022-40777

Interspire Email Marketer through 6.5.0 allows arbitrary file upload via a surveys_submit.php "create survey and submit survey" operation, which can cause a .php file to be accessible under a /admin/temp/surveys/ URI. NOTE: this issue exists because of an incomplete fix for CVE-2018-19550.

Vulnerability class: Unrestricted File Upload

Published 2022-10-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.3th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

Interspire Email Marketer

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

twitter.com/huyvinhptit (Permissions Required)
www.interspire.com/security-bulletin-20220918/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-40777?: CVE-2022-40777 is a high-severity vulnerability in Interspire Email Marketer, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2022-10-11.
How severe is CVE-2022-40777?: High severity. CVSS v3 base score is 8.8 out of 10.