How severe is CVE-2026-1431?

CVE-2026-1431 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-2026-1431 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-1431?

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

Does CVE-2026-1431 have an EU (EUVD) identifier?

Yes. CVE-2026-1431 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5082.

When was CVE-2026-1431 published?

CVE-2026-1431 was published on 2026-01-31 and last updated on 2026-06-17.

CVE-2026-1431

CVE-2026-1431 is a medium-severity vulnerability 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: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5082
Weakness: CWE-862
Published: 2026-01-31
Last modified: 2026-06-17

Description

The Booking Calendar plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the wpbc_ajax_WPBC_FLEXTIMELINE_NAV() function in all versions up to, and including, 10.14.13. This makes it possible for unauthenticated attackers to retrieve booking information including customer names, phones and emails.

Frequently asked questions

What is CVE-2026-1431?: The Booking Calendar plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the wpbc_ajax_WPBC_FLEXTIMELINE_NAV() function in all versions up to, and including, 10.14.13. This makes it possible for unauthenticated attackers to retrieve booking information including customer names, phones and emails.
How severe is CVE-2026-1431?: CVE-2026-1431 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-2026-1431 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-1431?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1431 have an EU (EUVD) identifier?: Yes. CVE-2026-1431 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5082.
When was CVE-2026-1431 published?: CVE-2026-1431 was published on 2026-01-31 and last updated on 2026-06-17.

References

Other CWE-862 (Missing Authorization) vulnerabilities

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