How severe is CVE-2024-8493?

CVE-2024-8493 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-2024-8493 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-8493?

CVE-2024-8493 affects Stellarwp The Events Calendar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-8493?

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

Does CVE-2024-8493 have an EU (EUVD) identifier?

Yes. CVE-2024-8493 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15219.

When was CVE-2024-8493 published?

CVE-2024-8493 was published on 2025-05-15 and last updated on 2026-06-17.

CVE-2024-8493

CVE-2024-8493 is a medium-severity vulnerability in Stellarwp The Events Calendar 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% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-15219
Weakness: CWE-79
Affected product: Stellarwp The Events Calendar
Published: 2025-05-15
Last modified: 2026-06-17

Description

The Events Calendar WordPress plugin before 6.6.4 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-2024-8493?: The Events Calendar WordPress plugin before 6.6.4 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-2024-8493?: CVE-2024-8493 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-2024-8493 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-8493?: CVE-2024-8493 affects Stellarwp The Events Calendar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-8493?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-8493 have an EU (EUVD) identifier?: Yes. CVE-2024-8493 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15219.
When was CVE-2024-8493 published?: CVE-2024-8493 was published on 2025-05-15 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/561b3185-501a-4a75-b880-226b159c0431/

Affected products (1)

cpe:2.3:a:stellarwp:the_events_calendar:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Stellarwp The Events Calendar

CVE-2024-8275 — Critical (CVSS 9.8): The The Events Calendar plugin for WordPress is vulnerable to SQL Injection via the 'order' parameter of the…
CVE-2024-4180 — Critical (CVSS 9.1): The Events Calendar WordPress plugin before 6.4.0.1 does not properly sanitize user-submitted content when rendering…
CVE-2023-6203 — High (CVSS 7.5): The Events Calendar WordPress plugin before 6.2.8.1 discloses the content of password protected posts to…
CVE-2024-6931 — High (CVSS 7.2): The The Events Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via RSVP name field in all…
CVE-2025-5144 — Medium (CVSS 6.4): The The Events Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘data-date-*’…
CVE-2019-15109 — Medium (CVSS 6.1): The the-events-calendar plugin before 4.8.2 for WordPress has XSS via the tribe_paged URL parameter.

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