How severe is CVE-2022-2374?

CVE-2022-2374 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-2374 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2374?

CVE-2022-2374 affects Nsqua Simply Schedule Appointments. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-2374?

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

When was CVE-2022-2374 published?

CVE-2022-2374 was published on 2022-08-29 and last updated on 2026-06-17.

CVE-2022-2374

CVE-2022-2374 is a medium-severity vulnerability in Nsqua Simply Schedule Appointments with a CVSS 3.x base score of 4.8. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Nsqua Simply Schedule Appointments
Published: 2022-08-29
Last modified: 2026-06-17

Description

The Simply Schedule Appointments WordPress plugin before 1.5.7.7 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Frequently asked questions

What is CVE-2022-2374?: The Simply Schedule Appointments WordPress plugin before 1.5.7.7 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
How severe is CVE-2022-2374?: CVE-2022-2374 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-2374 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2374?: CVE-2022-2374 affects Nsqua Simply Schedule Appointments. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-2374?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-2374 published?: CVE-2022-2374 was published on 2022-08-29 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/12062d78-7a0d-4dc1-9bd6-6c54aa6bc761

Affected products (1)

cpe:2.3:a:nsqua:simply_schedule_appointments:*:*:*:*:*:wordpress:*:*

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