Vulnerability in Custom Content Shortcode Project
CVE-2023-0273
The Custom Content Shortcode WordPress plugin through 4.0.2 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (36.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.2% 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
- Custom Content Shortcode Project
- Custom Content Shortcode — versions 0
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/5cafbba6-478f-4f5d-a2d4-60c6a22f2f1e (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2023-0273?
- CVE-2023-0273 is a medium-severity vulnerability in Custom Content Shortcode Project, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2023-03-20.
- How severe is CVE-2023-0273?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2023-0273 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.