CVE-2026-66462 WordPress WooCommerce Appointments plugin <= 5.3.8 - Sensitive Data Exposure vulnerability
High 7.5
Published
Updated
Check this codebase for CVE-2026-66462 and fix it if it is affected.
What it is: CVE-2026-66462 is a high-severity vulnerability in BookingWP WooCommerce Appointments, published on 13 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-66462 in the wild and no public exploit code.
Affected product: BookingWP WooCommerce Appointments. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-66462/ (Markdown: https://insights.sbomify.com/CVE-2026-66462/index.md)
Unauthenticated attackers can access sensitive data in the WooCommerce Appointments plugin, requiring an upgrade to secure the site.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-66462?
CVE-2026-66462 is a high-severity vulnerability in BookingWP WooCommerce Appointments, published on 13 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated Sensitive Data Exposure in WooCommerce Appointments <= 5.3.8 versions.
Weakness: CWE-497
Which versions are affected by CVE-2026-66462?
How do I fix CVE-2026-66462?
No fix has been published for CVE-2026-66462 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-66462 being exploited?
There is no known exploitation of CVE-2026-66462 in the wild and no public exploit code.
Sources
Also known as GHSA-vqm4-m887-hg85.