Vulnerability · Published Jul 11, 2024 · Assigned by WPScan

CVE-2024-4655Ultimate Blocks < 3.1.9 - Contributor+ Stored XSS

Medium 6.3

In plain English

A medium-severity security flaw in Ultimate Blocks 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)6.3Medium
Exploit odds (30 days)0.4%top 60.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

The Ultimate Blocks WordPress plugin before 3.1.9 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 Ultimate Blocks 0 – before 3.1.9

References