CVE-2022-45822: Unauth

Q: How do I fix CVE-2022-45822?

advanced booking calendar: upgrade to newer than 1.7.1. Exact commands for each OS are on this page.

Q: Is CVE-2022-45822 being exploited?

CVE-2022-45822 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-45822 affect?

CVE-2022-45822 affects advanced booking calendar. Severity is critical (CVSS 10.0). Unauth. SQL Injection (SQLi) vulnerability in Advanced Booking Calendar plugin <= 1.7.1 on WordPress.

Q: How urgent is CVE-2022-45822?

Priority 54/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 10.0REMOTEUPGRADE

CVE-2022-45822 is a critical-severity flaw (CVSS 10.0) affecting advanced booking calendar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unauth. SQL Injection (SQLi) vulnerability in Advanced Booking Calendar plugin <= 1.7.1 on WordPress.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-89
Published	2022-12-05
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: elbtide

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-12-05 11:15 UTCPublished CVE record published
2026-06-17 05:10 UTCUpdated Record last modified

elbtide advanced booking calendar UPGRADE

Affected: <= 1.7.1

Fixed in: newer than 1.7.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy advanced-booking-calendar || rpm -q advanced-booking-calendar || advanced-booking-calendar --version

2. UPGRADE to newer than 1.7.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade advanced-booking-calendar

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade advanced-booking-calendar

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-45822?

advanced booking calendar: upgrade to newer than 1.7.1. Exact commands for each OS are on this page.

Is CVE-2022-45822 being exploited?

CVE-2022-45822 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-45822 affect?

CVE-2022-45822 affects advanced booking calendar. Severity is critical (CVSS 10.0). Unauth. SQL Injection (SQLi) vulnerability in Advanced Booking Calendar plugin <= 1.7.1 on WordPress.

How urgent is CVE-2022-45822?

Priority 54/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2022-45824 MEDIUM 5.4 UPGRADE Cross-Site Request Forgery (CSRF) vulnerability in Advanced Booking Calendar plugin <= 1.7.1 on WordPress.
CVE-2022-1007 MEDIUM 6.1 UPGRADE The Advanced Booking Calendar WordPress plugin before 1.7.1 does not sanitise and escape the room parameter be
CVE-2022-1006 HIGH 7.2 UPGRADE The Advanced Booking Calendar WordPress plugin before 1.7.1 does not sanitise and escape the id parameter when
CVE-2022-0694 CRITICAL 9.8 UPGRADE The Advanced Booking Calendar WordPress plugin before 1.7.0 does not validate and escape the calendar paramete
CVE-2021-24232 MEDIUM 5.4 UPGRADE The Advanced Booking Calendar WordPress plugin before 1.6.8 does not sanitise the license error message when o

References

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