How severe is CVE-2024-7876?

CVE-2024-7876 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-2024-7876 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-7876?

CVE-2024-7876 affects Nsqua Simply Schedule Appointments. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-7876?

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

Does CVE-2024-7876 have an EU (EUVD) identifier?

Yes. CVE-2024-7876 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-48724.

When was CVE-2024-7876 published?

CVE-2024-7876 was published on 2024-11-05 and last updated on 2026-06-17.

CVE-2024-7876

CVE-2024-7876 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: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-48724
Weakness: CWE-79
Affected product: Nsqua Simply Schedule Appointments
Published: 2024-11-05
Last modified: 2026-06-17

Description

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin WordPress plugin before 1.6.7.55 does not sanitise and escape some of its Appointment Type settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed

Frequently asked questions

What is CVE-2024-7876?: The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin WordPress plugin before 1.6.7.55 does not sanitise and escape some of its Appointment Type settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed
How severe is CVE-2024-7876?: CVE-2024-7876 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-2024-7876 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-7876?: CVE-2024-7876 affects Nsqua Simply Schedule Appointments. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-7876?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-7876 have an EU (EUVD) identifier?: Yes. CVE-2024-7876 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-48724.
When was CVE-2024-7876 published?: CVE-2024-7876 was published on 2024-11-05 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/fffe862f-5bf0-4a05-9d32-caff0bfdb860/

Affected products (1)

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

More vulnerabilities in Nsqua Simply Schedule Appointments

CVE-2023-50851 — High (CVSS 7.6): Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in N Squared…
CVE-2024-7129 — High (CVSS 7.2): The Appointment Booking Calendar WordPress plugin before 1.6.7.43 does not escape template syntax provided via user…
CVE-2022-2373 — Medium (CVSS 5.3): The Simply Schedule Appointments WordPress plugin before 1.5.7.7 is missing authorisation in a REST endpoint, allowing…
CVE-2024-7877 — Medium (CVSS 4.8): The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin WordPress plugin before 1.6.7.55 does…
CVE-2022-2374 — Medium (CVSS 4.8): The Simply Schedule Appointments WordPress plugin before 1.5.7.7 does not sanitise and escape some of its settings,…

All CVEs affecting Nsqua Simply Schedule Appointments →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →