XSS in Automattic Mailpoet
CVE-2019-11843
The MailPoet plugin before 3.23.2 for WordPress allows remote attackers to inject arbitrary web script or HTML using extra parameters in the URL (Reflective Server-Side XSS).
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.018 (77.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wordpress.org/plugins/mailpoet/ (Third Party Advisory, Release Notes)
- github.com/mailpoet/mailpoet/releases/tag/3.23.2 (Third Party Advisory, Release Notes)
- pluginarchive.com/wordpress/mailpoet/v/3-23-2 (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2019-11843?
- CVE-2019-11843 is a medium-severity vulnerability in Automattic Mailpoet, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-06-02.
- How severe is CVE-2019-11843?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2019-11843 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.