CVE-2024-8432: The Appointment & Event Booking Calendar Plugin – Webba Booking plugin for WordPress is vulnerable to unauthor

Q: How do I fix CVE-2024-8432?

webba booking: upgrade to 5.0.50. Exact commands for each OS are on this page.

Q: Is CVE-2024-8432 being exploited?

CVE-2024-8432 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-2024-8432 affect?

CVE-2024-8432 affects webba booking. Severity is medium (CVSS 4.3). The Appointment & Event Booking Calendar Plugin – Webba Booking plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the save_appearance() function in all versions up to, and including

Q: How urgent is CVE-2024-8432?

Priority 23/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2024-8432 is a medium-severity flaw (CVSS 4.3) affecting webba booking. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Appointment & Event Booking Calendar Plugin – Webba Booking plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the save_appearance() function in all versions up to, and including, 5.0.48. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify the booking form's CSS.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-862
Published	2024-09-24
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: webba-booking

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

Am I affected?

Timeline

2024-09-24 02:15 UTCPublished CVE record published
2026-06-17 08:22 UTCUpdated Record last modified

webba-booking webba booking UPGRADE

Affected: < 5.0.50

Fixed in: 5.0.50

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy webba-booking || rpm -q webba-booking || webba-booking --version

2. UPGRADE to 5.0.50 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade webba-booking

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade webba-booking

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-2024-8432?

webba booking: upgrade to 5.0.50. Exact commands for each OS are on this page.

Is CVE-2024-8432 being exploited?

CVE-2024-8432 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-2024-8432 affect?

CVE-2024-8432 affects webba booking. Severity is medium (CVSS 4.3). The Appointment & Event Booking Calendar Plugin – Webba Booking plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the save_appearance() function in all versions up to, and including

How urgent is CVE-2024-8432?

Priority 23/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2023-51354 MEDIUM 4.3 UPGRADE Cross-Site Request Forgery (CSRF) vulnerability in WebbaPlugins Appointment & Event Booking Calendar Plugin –

References

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