How severe is CVE-2022-36390?

CVE-2022-36390 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2022-36390 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36390?

CVE-2022-36390 affects Total-soft Event Calendar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-36390?

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

When was CVE-2022-36390 published?

CVE-2022-36390 was published on 2022-09-21 and last updated on 2026-06-17.

CVE-2022-36390

CVE-2022-36390 is a medium-severity vulnerability in Total-soft Event Calendar with a CVSS 3.x base score of 4.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.1)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Total-soft Event Calendar
Published: 2022-09-21
Last modified: 2026-06-17

Description

Authenticated (subscriber+) Reflected Cross-Site Scripting (XSS) vulnerability in Totalsoft Event Calendar – Calendar plugin <= 1.4.6 at WordPress.

Frequently asked questions

What is CVE-2022-36390?: Authenticated (subscriber+) Reflected Cross-Site Scripting (XSS) vulnerability in Totalsoft Event Calendar – Calendar plugin <= 1.4.6 at WordPress.
How severe is CVE-2022-36390?: CVE-2022-36390 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2022-36390 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36390?: CVE-2022-36390 affects Total-soft Event Calendar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-36390?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-36390 published?: CVE-2022-36390 was published on 2022-09-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:total-soft:event_calendar:*:*:*:*:*:wordpress:*:*

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