XSS in Ibericode Mailchimp For WordPress
CVE-2021-36833
Authenticated (admin or higher user role) Stored Cross-Site Scripting (XSS) vulnerability in ibericode's MC4WP plugin <= 4.8.6 at WordPress.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (41.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Ibericode Mailchimp For WordPress
- Ibericode Mc4wp: Mailchimp For WordPress — versions <= 4.8.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wordpress.org/plugins/mailchimp-for-wp/ (Product)
- patchstack.com/database/vulnerability/mailchimp-for-wp/wordpress-mc4wp-plugin-4… (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-36833?
- CVE-2021-36833 is a medium-severity vulnerability in Ibericode Mailchimp For WordPress, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-05-20.
- How severe is CVE-2021-36833?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2021-36833 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.