Vulnerability · Published Apr 17, 2023 · Assigned by WPScan

CVE-2023-0374W4 Post List < 2.4.6 - Contributor+ Stored XSS

Medium 5.4

In plain English

A medium-severity cross-site scripting in W4 Post List from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.4%top 61.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

The W4 Post List WordPress plugin before 2.4.6 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Affected products (as reported)

VendorProductVersions
Unknown W4 Post List 0 – before 2.4.6

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References