CVE-2021-24726

CVE-2021-24726 is a high-severity vulnerability in Wpsimplebookingcalendar Wp Simple Booking Calendar with a CVSS 3.x base score of 8.8. 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-89.

Key facts

Description

The WP Simple Booking Calendar WordPress plugin before 2.0.6 did not escape, validate or sanitise the orderby parameter in its Search Calendars action, before using it in a SQL statement, leading to an authenticated SQL injection issue

Frequently asked questions

What is CVE-2021-24726?
The WP Simple Booking Calendar WordPress plugin before 2.0.6 did not escape, validate or sanitise the orderby parameter in its Search Calendars action, before using it in a SQL statement, leading to an authenticated SQL injection issue
How severe is CVE-2021-24726?
CVE-2021-24726 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-24726 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24726?
CVE-2021-24726 affects Wpsimplebookingcalendar Wp Simple Booking Calendar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24726?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-24726 published?
CVE-2021-24726 was published on 2021-09-13 and last updated on 2026-06-17.

References

Affected products (1)

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