CVE-2021-24793: WPeMatico RSS Feed Fetcher < 2.6.12 - Admin+ Stored Cross-Site Scripting

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-11-01 · updated 2026-06-17
Weakness: CWE-79

Description

The WPeMatico RSS Feed Fetcher WordPress plugin before 2.6.12 does not escape the Feed URL added to a campaign before outputting it in an attribute, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Affected products

WPeMatico RSS Feed Fetcher: before 2.6.12 — fixed in 2.6.12

How to fix

Upgrade to a fixed version: WPeMatico RSS Feed Fetcher 2.6.12. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/eeedbb3b-ae10-4472-a1d3-f196f95b9d96
https://wpscan.com/vulnerability/eeedbb3b-ae10-4472-a1d3-f196f95b9d96

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