The Prime Mover plugin for WordPress before 2.2.1 contains a stored cross-site scripting vulnerability that allows attackers to execute arbitrary JavaScript by injecting an unescaped site_title value in a package's footprint.json file. Attackers can place a crafted package under the prime-mover-export-files directory so that the malicious value renders unescaped in the column_site_title() method of PrimeMoverBackupMenuListTable.php, triggering script execution in an administrator's browser when they view the Prime Mover Packages list table without needing to restore the package.
Advisories

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Fixes

Solution

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Workaround

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History

Thu, 01 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Description The Prime Mover plugin for WordPress before 2.2.1 contains a stored cross-site scripting vulnerability that allows attackers to execute arbitrary JavaScript by injecting an unescaped site_title value in a package's footprint.json file. Attackers can place a crafted package under the prime-mover-export-files directory so that the malicious value renders unescaped in the column_site_title() method of PrimeMoverBackupMenuListTable.php, triggering script execution in an administrator's browser when they view the Prime Mover Packages list table without needing to restore the package.
Title Prime Mover < 2.2.1 Stored XSS via Package Metadata
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-01T18:07:51.118Z

Reserved: 2026-09-28T15:44:45.390Z

Link: CVE-2026-101890

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-01T17:17:17.767

Modified: 2026-10-01T17:17:17.767

Link: CVE-2026-101890

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T17:45:09Z

Weaknesses