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CVE-2026-94121: WordPress 10Web Booster – Website speed optimization, Cache & Page Speed optimizer plugin <= 2.33.6 - PHP Object Injection vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-30 · updated 2026-09-30
• Weakness: CWE-502

Description

Contributor PHP Object Injection in 10Web Booster – Website speed optimization, Cache & Page Speed optimizer <= 2.33.6 versions.

Affected products

• 10Web Booster – Website speed optimization, Cache & Page Speed optimizer: through 2.33.6

References

• https://patchstack.com/database/wordpress/plugin/tenweb-speed-optimizer/vulnerability/wordpress-10web-booster-website-speed-optimization-cache-page-speed-optimizer-plugin-2-33-6-php-object-injection-vulnerability?_s_id=cve

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