XSS in National Show Centre Nsc WordPress Theme
CVE-2023-3965
The nsc theme for WordPress is vulnerable to Reflected Cross-Site Scripting via prototype pollution in versions up to, and including, 1.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
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: 0.004 (36.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.3% 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
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/5909513d-8877-40ff-bee9-d5651… (Third Party Advisory)
- github.com/BlackFan/client-side-prototype-pollution (Not Applicable)
Frequently asked questions
- What is CVE-2023-3965?
- CVE-2023-3965 is a medium-severity vulnerability in National Show Centre Nsc WordPress Theme, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-10-20.
- How severe is CVE-2023-3965?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2023-3965 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.