Vulnerability · Published Jan 23, 2023 · Assigned by WPScan

CVE-2022-4650HashBar – WordPress Notification Bar < 1.3.6 - Contributor+ Stored XSS via Shortcode

Medium 5.4

In plain English

A medium-severity security flaw in HashBar from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.5%top 54.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

The HashBar WordPress plugin before 1.3.6 does not validate and escape one of its shortcode attributes, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attack.

Affected products (as reported)

VendorProductVersions
Unknown HashBar 0 – before 1.3.6

References