The PO/MO Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'podata' parameter in all versions up to, and including, 1.4.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload is loaded as a replacement .po/.mo translation file via the plugin's own load_textdomain_mofile filter, causing WordPress to serve the attacker-written translation in place of the original core strings.

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History

Wed, 14 Oct 2026 04:00:00 +0000

Type Values Removed Values Added
Description The PO/MO Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'podata' parameter in all versions up to, and including, 1.4.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload is loaded as a replacement .po/.mo translation file via the plugin's own load_textdomain_mofile filter, causing WordPress to serve the attacker-written translation in place of the original core strings.
Title PO/MO Editor <= 1.4.2 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'podata' Parameter
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-10-14T03:40:01.638Z

Reserved: 2026-09-23T20:55:43.343Z

Link: CVE-2026-97020

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-10-14T04:19:04.767

Modified: 2026-10-14T04:19:04.767

Link: CVE-2026-97020

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses