CVE-2021-24220 json
All Thrive Themes Legacy Themes < 2.0.0 - Unauthenticated Arbitrary File Upload and Option Deletion
published 2021-04-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11134
- cvss
- 9.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.9%
- EPSS 3.9% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
Thrive “Legacy” Rise by Thrive Themes WordPress theme before 2.0.0, Luxe by Thrive Themes WordPress theme before 2.0.0, Minus by Thrive Themes WordPress theme before 2.0.0, Ignition by Thrive Themes WordPress theme before 2.0.0, FocusBlog 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 register a REST API endpoint to compress images using the Kraken image optimization engine. By supplying a crafted request in combination with data inserted using the Option Update vulnerability, it was possible to use this endpoint to retrieve malicious code from a remote URL and overwrite an existing file on the site with it or create a new file.This includes executable PHP files that contain malicious code.
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 voice 2.0.0
Exploit prediction
3.95% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Multiple Thrive Themes < 2.0.0 - Arbitrary File Upload nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/a2424354-2639-4f53-a24f-afc11f6c4cac referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
| NVD | 2.0 | 6.4 | AV:N/AC:L/Au:N/C:N/I:P/A:P |
Affected products
- Thrive Themes Rise by Thrive Themes
- Thrive Themes Luxe by Thrive Themes
- Thrive Themes Minus by Thrive Themes
- Thrive Themes Ignition by Thrive Themes
- Thrive Themes FocusBlog 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
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
- Technology feeds
References
-
wpscan.com
/vulnerability/a2424354-2639-4f53-a24f-afc11f6c4cac
exploit, third-party-advisory
-
wordfence.com
/blog/2021/03/recently-patched-vulnerability-in-thrive-themes-actively-exploited-in-the-wild
third-party-advisory
Sources
- CVE List CVE-2021-24220
- NVD CVE-2021-24220
Fencer Vulns 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.