XSS in Gonahkar Custom Fields Shortcode
CVE-2023-6809
The Custom fields shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's cf shortcode in all versions up to, and including, 0.1 due to insufficient input sanitization and output escaping on user supplied custom post meta values. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (33.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.0% 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
- Gonahkar Custom Fields Shortcode — versions 0
- Gonahkar Custom Fields Shortcode — versions 0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/99d3d5aa-dd82-415a-bc40-9d2c6… (Third Party Advisory)
- wordpress.org/plugins/beepress/ (Not Applicable)
Frequently asked questions
- What is CVE-2023-6809?
- CVE-2023-6809 is a medium-severity vulnerability in Gonahkar Custom Fields Shortcode, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-03-13.
- How severe is CVE-2023-6809?
- Medium severity. CVSS v3 base score is 6.4 out of 10.
- Is CVE-2023-6809 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.