CVE-2021-24793 - CVE House
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Status published Medium CVE-2021-24793

WPeMatico RSS Feed Fetcher < 2.6.12 - Admin+ Stored Cross-Site Scripting

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Huy Nguyen

References

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Affected Vendor

Affected Software

WPeMatico RSS Feed Fetcher
Vulnerable Versions:
2.6.12

Timeline

Official Publish: November 1st, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact