What is CVE-2023-4308?

CVE-2023-4308 is a high-severity vulnerability in Plugin-planet User_submitted_posts, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2023-08-15.

How severe is CVE-2023-4308?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2023-4308 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Plugin-planet User_submitted_posts

CVE-2023-4308

The User Submitted Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘user-submitted-content’ parameter in versions up to, and including, 20230809 due to insufficient input sanitization and output escaping. Th…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (28.2th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Patch)

Frequently asked questions

What is CVE-2023-4308?: CVE-2023-4308 is a high-severity vulnerability in Plugin-planet User_submitted_posts, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2023-08-15.
How severe is CVE-2023-4308?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2023-4308 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.