How severe is CVE-2022-0694?

CVE-2022-0694 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-0694 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-0694?

CVE-2022-0694 affects Elbtide Advanced Booking Calendar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-0694?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-0694 published?

CVE-2022-0694 was published on 2022-03-21 and last updated on 2026-06-17.

CVE-2022-0694

CVE-2022-0694 is a critical-severity vulnerability in Elbtide Advanced Booking Calendar with a CVSS 3.x base score of 9.8. 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

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Elbtide Advanced Booking Calendar
Published: 2022-03-21
Last modified: 2026-06-17

Description

The Advanced Booking Calendar WordPress plugin before 1.7.0 does not validate and escape the calendar parameter before using it in a SQL statement via the abc_booking_getSingleCalendar AJAX action (available to both unauthenticated and authenticated users), leading to an unauthenticated SQL injection

Frequently asked questions

What is CVE-2022-0694?: The Advanced Booking Calendar WordPress plugin before 1.7.0 does not validate and escape the calendar parameter before using it in a SQL statement via the abc_booking_getSingleCalendar AJAX action (available to both unauthenticated and authenticated users), leading to an unauthenticated SQL injection
How severe is CVE-2022-0694?: CVE-2022-0694 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-0694 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-0694?: CVE-2022-0694 affects Elbtide Advanced Booking Calendar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-0694?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-0694 published?: CVE-2022-0694 was published on 2022-03-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:elbtide:advanced_booking_calendar:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Elbtide Advanced Booking Calendar

CVE-2022-45822 — Critical (CVSS 10.0): Unauth. SQL Injection (SQLi) vulnerability in Advanced Booking Calendar plugin <= 1.7.1 on WordPress.
CVE-2022-1006 — High (CVSS 7.2): The Advanced Booking Calendar WordPress plugin before 1.7.1 does not sanitise and escape the id parameter when editing…
CVE-2022-1007 — Medium (CVSS 6.1): The Advanced Booking Calendar WordPress plugin before 1.7.1 does not sanitise and escape the room parameter before…
CVE-2022-45824 — Medium (CVSS 5.4): Cross-Site Request Forgery (CSRF) vulnerability in Advanced Booking Calendar plugin <= 1.7.1 on WordPress.
CVE-2021-24232 — Medium (CVSS 5.4): The Advanced Booking Calendar WordPress plugin before 1.6.8 does not sanitise the license error message when output in…
CVE-2021-24225 — Medium (CVSS 5.4): The Advanced Booking Calendar WordPress plugin before 1.6.7 did not sanitise the calId GET parameter in the "Seasons &…

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