CVE-2020-36836 json
WP Fastest Cache <= 0.9.0.2 - Authenticated (Subscriber+) Arbitrary File Deletion
published 2024-10-16 2 y ago modified 2026-06-17 4 mo ago also EUVD-2020-30788
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The WP Fastest Cache plugin for WordPress is vulnerable to unauthorized arbitrary file deletion in versions up to, and including, 0.9.0.2 due to a lack of capability checking and insufficient path validation. This makes it possible for authenticated users with minimal permissions to delete arbitrary files from the server.
Patch / fix
- emrevona WP Fastest Cache – WordPress Cache Plugin 0.9.0.3
- wpfastestcache wp_fastest_cache 0.9.0.3
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
1.49% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template WordPress WP Fastest Cache <= 0.9.0.2 - Authenticated Arbitrary File Deletion nuclei detection template
- wearetradecraft.com https://wearetradecraft.com/advisories/tc-2020-0001/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
Affected products
- emrevona WP Fastest Cache – WordPress Cache Plugin
- wpfastestcache wp_fastest_cache
Classification
- Weakness
- Technology feeds
References
-
plugins.trac.wordpress.org
/changeset/2235160/wp-fastest-cache
patch
-
wearetradecraft.com
/advisories/tc-2020-0001/
exploit, third-party-advisory
-
wordfence.com
/threat-intel/vulnerabilities/id/82f80916-37ab-4c5a-9787-2544c620acac?source=cve
third-party-advisory
Sources
- CVE List CVE-2020-36836
- NVD CVE-2020-36836
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.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.