How severe is CVE-2022-36340?

CVE-2022-36340 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2022-36340 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36340?

CVE-2022-36340 affects Mailoptin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-36340?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-36340 published?

CVE-2022-36340 was published on 2022-09-23 and last updated on 2026-06-17.

CVE-2022-36340

CVE-2022-36340 is a medium-severity vulnerability in Mailoptin with a CVSS 3.x base score of 6.5. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Mailoptin
Published: 2022-09-23
Last modified: 2026-06-17

Description

Unauthenticated Optin Campaign Cache Deletion vulnerability in MailOptin plugin <= 1.2.49.0 at WordPress.

Frequently asked questions

What is CVE-2022-36340?: Unauthenticated Optin Campaign Cache Deletion vulnerability in MailOptin plugin <= 1.2.49.0 at WordPress.
How severe is CVE-2022-36340?: CVE-2022-36340 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2022-36340 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36340?: CVE-2022-36340 affects Mailoptin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-36340?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-36340 published?: CVE-2022-36340 was published on 2022-09-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mailoptin:mailoptin:*:*:*:*:*:wordpress:*:*

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