CVE-2026-84757
HighCVSS 8.2Exploitation Probability (EPSS)
Low risk13th percentile - higher than 13% of all known CVEs
Summary
Unauthenticated Settings Change in WP Compress versions up to 7.21.28. An attacker can change plugin configuration without authentication.
Risk Assessment
Potential for configuration integrity violation, which may lead to plugin malfunction or exploitation for other attacks.
Recommendation
Update WP Compress to the latest version that includes the fix.
Other vulnerabilities in WP Compress
See all- CVE-2026-73343Critical
An unauthenticated attacker can remotely execute arbitrary code (RCE) in WP Compress versions prior to 7.20.01.
- CVE-2026-17608Medium
The WP Compress – Instant Performance & Speed Optimization plugin for WordPress up to version 7.10.09 is vulnerable to Cross-Site Request Forgery due to missing or incorrect nonce validation. Unauthenticated attackers can trick an administrator into performing an action that deletes arbitrary WordPress options, including critical ones such as siteurl, home, active_plugins, template, and stylesheet, causing site outage or a full plugin and theme reset.
- CVE-2026-9066Medium
The WP Compress WordPress plugin before version 7.10.04 does not validate the value of a query parameter that controls the asset CDN host before using it to build URLs of JavaScript files, leading to Reflected XSS. When a visitor follows a crafted link, the plugin's loader injects script elements pointing to an attacker-controlled origin, allowing arbitrary JavaScript execution in the visitor's session on the target site.
Original NVD description (English source)
Unauthenticated Settings Change in WP Compress <= 7.21.28 versions.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS