CVE-2026-42718
WordPress Booster for WooCommerce plugin <= 8.4.0 - PHP Object Injection vulnerability
Unauthenticated PHP Object Injection in Booster for WooCommerce <= 8.4.0 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
WordPress Booster for WooCommerce plugin <= 8.4.0 - PHP Object Injection vulnerability
Unauthenticated PHP Object Injection in Booster for WooCommerce <= 8.4.0 versions.
- Record
CVE-2026-42718- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
EUVDEUVD-2026-96450
Unauthenticated PHP Object Injection in Booster for WooCommerce <= 8.4.0 versions.
- Record
EUVD-2026-96450- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3777-f2vm-752j
Unauthenticated PHP Object Injection in Booster for WooCommerce <= 8.4.0 versions.
Unauthenticated PHP Object Injection in Booster for WooCommerce <= 8.4.0 versions.
- Record
GHSA-3777-f2vm-752j- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
NVD
Unauthenticated PHP Object Injection in Booster for WooCommerce <= 8.4.0 versions.
- Record
CVE-2026-42718- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-42718 is a critical vulnerability (CVSS 9.8) in Pluggabl Booster For Woocommerce, published October 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 31st percentile. No source names a fixed version.