CSRF in Freehtmldesigns Site Offline
CVE-2020-35773
The site-offline plugin before 1.4.4 for WordPress lacks certain wp_create_nonce and wp_verify_nonce calls, aka CSRF.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (61.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- plugins.trac.wordpress.org/changeset/2445009/ (Patch, 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/ (Product, Third Party Advisory)
- advisory.checkmarx.net/advisory/CX-2020-4292 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-35773?
- CVE-2020-35773 is a high-severity vulnerability in Freehtmldesigns Site Offline, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2020-12-29.
- How severe is CVE-2020-35773?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-35773 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.