CVE-2021-25039 - CVE House
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Status published Medium CVE-2021-25039

Multisite Content Copier/Updater < 2.1.0 - Reflected Cross-Site Scripting

Vulnerability Description

The WordPress Multisite Content Copier/Updater WordPress plugin before 2.1.0 does not sanitise and escape the wmcc_content_type, wmcc_source_blog and wmcc_record_per_page parameters before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues

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:

  • Asif Nawaz Minhas

References

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Affected Vendor

Affected Software

WordPress Multisite Content Copier/Updater
Vulnerable Versions:
2.1.0

Timeline

Official Publish: March 7th, 2022
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/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