CSRF in Ewww Image Optimizer
CVE-2020-36750
The EWWW Image Optimizer plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 5.8.1. This is due to missing or incorrect nonce validation on the ewww_ngg_bulk_init() function. This makes it possible for unauthenticated attackers to perform bulk image optimization via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Ewww Image Optimizer
- Nosilver4u Ewww Image Optimizer — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/8ef33e3c-187a-45d9-9dac-0895d… (Third Party Advisory)
- blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/ (Third Party Advisory)
- blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attack… (Third Party Advisory)
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-… (Not Applicable)
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-… (Not Applicable)
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-… (Not Applicable)
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-… (Not Applicable)
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-… (Not Applicable)
- plugins.trac.wordpress.org/changeset/2417429/ewww-image-optimizer/trunk/classes… (Patch)
Frequently asked questions
- What is CVE-2020-36750?
- CVE-2020-36750 is a medium-severity vulnerability in Ewww Image Optimizer, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2023-07-12.
- How severe is CVE-2020-36750?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2020-36750 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.