Vulnerability · Published Jan 30, 2023 · Assigned by WPScan

CVE-2022-4667RSS Aggregator by Feedzy < 4.1.1 - Contributor+ Stored XSS

Medium 5.4

In plain English

A medium-severity cross-site scripting in RSS Aggregator by Feedzy 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 43% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.5%top 56.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

The RSS Aggregator by Feedzy WordPress plugin before 4.1.1 does not validate and escape some of its block options before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.

Affected products (as reported)

VendorProductVersions
Unknown RSS Aggregator by Feedzy 0 – before 4.1.1

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

References