How severe is CVE-2023-6557?

CVE-2023-6557 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-6557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6557?

CVE-2023-6557 affects Stellarwp The Events Calendar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6557?

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

Does CVE-2023-6557 have an EU (EUVD) identifier?

Yes. CVE-2023-6557 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58786.

When was CVE-2023-6557 published?

CVE-2023-6557 was published on 2024-02-05 and last updated on 2026-06-17.

CVE-2023-6557

CVE-2023-6557 is a medium-severity vulnerability in Stellarwp The Events Calendar with a CVSS 3.x base score of 5.3. 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 5.3)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-58786
Weakness: CWE-862
Affected product: Stellarwp The Events Calendar
Published: 2024-02-05
Last modified: 2026-06-17

Description

The The Events Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 6.2.8.2 via the route function hooked into wp_ajax_nopriv_tribe_dropdown. This makes it possible for unauthenticated attackers to extract potentially sensitive data including post titles and IDs of pending, private and draft posts.

Frequently asked questions

What is CVE-2023-6557?: The The Events Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 6.2.8.2 via the route function hooked into wp_ajax_nopriv_tribe_dropdown. This makes it possible for unauthenticated attackers to extract potentially sensitive data including post titles and IDs of pending, private and draft posts.
How severe is CVE-2023-6557?: CVE-2023-6557 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-6557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6557?: CVE-2023-6557 affects Stellarwp The Events Calendar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6557?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-6557 have an EU (EUVD) identifier?: Yes. CVE-2023-6557 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58786.
When was CVE-2023-6557 published?: CVE-2023-6557 was published on 2024-02-05 and last updated on 2026-06-17.

References

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…
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