CVE-2020-35773 json
The site-offline plugin before 1.4.4 for WordPress lacks certain wp_create_nonce and wp_verify_nonce calls, aka CSRF.
published 2020-12-29 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-23429
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
The site-offline plugin before 1.4.4 for WordPress lacks certain wp_create_nonce and wp_verify_nonce calls, aka CSRF.
Patch / fix
Exploit prediction
0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- advisory.checkmarx.net https://advisory.checkmarx.net/advisory/CX-2020-4292 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
- Technology feeds
References
-
plugins.trac.wordpress.org
/changeset/2445009/
patch, third-party-advisory
-
advisory.checkmarx.net
/advisory/CX-2020-4292
exploit, third-party-advisory
-
developer.wordpress.org
/reference/functions/wp_create_nonce/
third-party-advisory
-
developer.wordpress.org
/reference/functions/wp_verify_nonce/
third-party-advisory
-
wordpress.org
/plugins/site-offline/#developers
product, third-party-advisory
Sources
- CVE List CVE-2020-35773
- NVD CVE-2020-35773
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.