XSS in Simple-Membership-Plugin Simple Membership
CVE-2023-4719
The Simple Membership plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the `list_type` parameter in versions up to, and including, 4.3.5 due to insufficient input sanitization and output escaping. Using this vulnerability, unauthenticated attackers could inject arbitrary web scripts into pages that are being executed if they can successfully trick a user into taking an action, such as clicking a malicious link.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (46.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/e4b10172-7e54-4ff8-9fbb-41d16… (Third Party Advisory)
- wordpress.org/plugins/simple-membership/ (Product)
- plugins.trac.wordpress.org/changeset (Patch)
Frequently asked questions
- What is CVE-2023-4719?
- CVE-2023-4719 is a high-severity vulnerability in Simple-Membership-Plugin Simple Membership, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2023-09-06.
- How severe is CVE-2023-4719?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2023-4719 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.