Is CVE-2021-24219 actively exploited?

Yes. CVE-2021-24219 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-24219 be exploited remotely?

The attack vector of CVE-2021-24219 has not been classified yet.

What is the CVSS score of CVE-2021-24219?

CVE-2021-24219 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-24219

UNKNOWNCISA KEVIN THE WILD

CVE-2021-24219

Published: April 11, 2026

EPSS:16.36%probability of exploitation in 30 daysPercentile:94.9th

Official Description

The Thrive Optimize WordPress plugin before 1.4.13.3, Thrive Comments WordPress plugin before 1.4.15.3, Thrive Headline Optimizer WordPress plugin before 1.3.7.3, Thrive Leads WordPress plugin before 2.3.9.4, Thrive Ultimatum WordPress plugin before 2.3.9.4, Thrive Quiz Builder WordPress plugin before 2.3.9.4, Thrive Apprentice WordPress plugin before 2.3.9.4, Thrive Visual Editor WordPress plugin before 2.6.7.4, Thrive Dashboard WordPress plugin before 2.3.9.3, Thrive Ovation WordPress plugin before 2.4.5, Thrive Clever Widgets WordPress plugin before 1.57.1 and Rise by Thrive Themes WordPress theme before 2.0.0, Ignition by Thrive Themes WordPress theme before 2.0.0, Luxe by Thrive Themes WordPress theme before 2.0.0, FocusBlog by Thrive Themes WordPress theme before 2.0.0, Minus by Thrive Themes WordPress theme before 2.0.0, Squared by Thrive Themes WordPress theme before 2.0.0, Voice WordPress theme before 2.0.0, Performag by Thrive Themes WordPress theme before 2.0.0, Pressive by Thrive Themes WordPress theme before 2.0.0, Storied by Thrive Themes WordPress theme before 2.0.0, Thrive Themes Builder WordPress theme before 2.2.4 register a REST API endpoint associated with Zapier functionality. While this endpoint was intended to require an API key in order to access, it was possible to access it by supplying an empty api_key parameter in vulnerable versions if Zapier was not enabled. Attackers could use this endpoint to add arbitrary data to a predefined option in the wp_options table.

NVD Source

Risk Analysis

Multiple Thrive Themes WordPress plugins and themes contain a vulnerability that could allow attackers to compromise the website. Given its inclusion in CISA's KEV catalog, this is a critical vulnerability requiring immediate attention. The lack of specific details in the description means the full impact could be severe.

This vulnerability is actively being exploited in the wild and is present in CISA's Known Exploited Vulnerabilities Catalog. The nature of the flaw suggests it could be remotely exploitable.

Recommended Action

Update all affected Thrive Optimize, Thrive Comments, Thrive Headline Optimizer, Thrive Leads, Thrive Ultimatum, Thrive Quiz Builder, Thrive Apprentice, Thrive Visual Editor, Thrive Dashboard, Thrive Ovation, Thrive Clever Widgets WordPress plugins and Rise, Ignition, Luxe, FocusBlog, Minus by Thrive Themes WordPress themes to their respective patched versions (e.g., Thrive Optimize to 1.4.13.3, Thrive Comments to 1.4.15.3, etc.). Regularly update all WordPress components.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-24219 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2021-24219 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.