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Fencer Intel
medium 5.3

CVE-2021-24219 json

All Thrive Themes and Plugins - Unauthenticated Option Update

published 5y ago modified 4mo ago also EUVD-2021-11133

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known, plus a Nuclei check

Summary

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.

Patch / fix

  • thrivethemes focusblog 2.0.0
  • thrivethemes ignition 2.0.0
  • thrivethemes luxe 2.0.0
  • thrivethemes minus 2.0.0
  • thrivethemes performag 2.0.0
  • thrivethemes pressive 2.0.0
  • thrivethemes rise 2.0.0
  • thrivethemes squared 2.0.0
  • thrivethemes storied 2.0.0
  • thrivethemes thrive_apprentice 2.3.9.4
  • thrivethemes thrive_clever_widgets 1.57.1
  • thrivethemes thrive_comments 1.4.15.3
  • thrivethemes thrive_dashboard 2.3.9.3
  • thrivethemes thrive_headline_optimizer 1.3.7.3
  • thrivethemes thrive_optimize 1.4.13.3
  • thrivethemes thrive_ovation 2.4.5
  • thrivethemes thrive_quiz_builder 2.3.9.4
  • thrivethemes thrive_themes_builder 2.2.4
  • thrivethemes thrive_visual_editor 2.6.7.4
  • thrivethemes voice 2.0.0

Is CVE-2021-24219 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

2.47% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template All Thrive Themes and Plugins - Unauthenticated Option Update nuclei detection template
  • wpscan.com https://wpscan.com/vulnerability/35acd2d8-85fc-4af5-8f6c-224fa7d92900 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected products

  • Thrive Themes Thrive Optimize
  • Thrive Themes Thrive Comments
  • Thrive Themes Thrive Headline Optimizer
  • Thrive Themes Thrive Leads
  • Thrive Themes Thrive Ultimatum
  • Thrive Themes Thrive Quiz Builder
  • Thrive Themes Thrive Apprentice
  • Thrive Themes Thrive Visual Editor
  • Thrive Themes Thrive Dashboard
  • Thrive Themes Thrive Ovation
  • Thrive Themes Thrive Clever Widgets
  • Thrive Themes Rise by Thrive Themes
  • Thrive Themes Ignition by Thrive Themes
  • Thrive Themes Luxe by Thrive Themes
  • Thrive Themes FocusBlog by Thrive Themes
  • Thrive Themes Minus by Thrive Themes
  • Thrive Themes Squared by Thrive Themes
  • Thrive Themes Voice
  • Thrive Themes Performag by Thrive Themes
  • Thrive Themes Pressive by Thrive Themes
  • Thrive Themes Storied by Thrive Themes
  • Thrive Themes Thrive Themes Builder

Classification

Weakness
  • CWE-284 Improper Access Control
  • CWE-306 Missing Authentication for Critical Functionality
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.