How severe is CVE-2022-40777?

CVE-2022-40777 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-40777 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40777?

CVE-2022-40777 affects Interspire Email Marketer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40777?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-40777 published?

CVE-2022-40777 was published on 2022-10-11 and last updated on 2026-06-17.

CVE-2022-40777

CVE-2022-40777 is a high-severity vulnerability in Interspire Email Marketer with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Interspire Email Marketer
Published: 2022-10-11
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2022-40777?: CVE-2022-40777 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-40777 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40777?: CVE-2022-40777 affects Interspire Email Marketer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40777?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-40777 published?: CVE-2022-40777 was published on 2022-10-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:interspire:email_marketer:*:*:*:*:*:*:*:*

More vulnerabilities in Interspire Email Marketer

CVE-2017-14322 — Critical (CVSS 9.8): The function in charge to check whether the user is already logged in init.php in Interspire Email Marketer (IEM) prior…
CVE-2018-19553 — High (CVSS 8.8): Interspire Email Marketer through 6.1.6 has SQL Injection via an updateblock sortorder request to Dynamiccontenttags.php
CVE-2018-19552 — High (CVSS 8.8): Interspire Email Marketer through 6.1.6 has SQL Injection via a deleteblock blockid[] request to Dynamiccontenttags.php.
CVE-2018-19551 — High (CVSS 8.8): Interspire Email Marketer through 6.1.6 has SQL Injection via a checkduplicatetags tagname request to…
CVE-2018-19550 — High (CVSS 8.8): Interspire Email Marketer through 6.1.6 allows arbitrary file upload via a surveys_submit.php "create survey and submit…
CVE-2018-19549 — High (CVSS 8.8): Interspire Email Marketer through 6.1.6 has SQL Injection via a tagids Delete action to Dynamiccontenttags.php.

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