The Themify Popup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'popup_width_unit' parameter in all versions up to, and including, 1.4.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
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Affected Vendors & Products
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Fixes
Solution
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Workaround
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References
History
Sat, 17 Oct 2026 04:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The Themify Popup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'popup_width_unit' parameter in all versions up to, and including, 1.4.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. | |
| Title | Themify Popup <= 1.4.7 - Authenticated (Author+) Stored Cross-Site Scripting via 'popup_width_unit' Parameter | |
| Weaknesses | CWE-79 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: Wordfence
Published:
Updated: 2026-10-17T03:43:30.393Z
Reserved: 2026-10-13T12:33:27.631Z
Link: CVE-2026-109989
No data.
Status : Received
Published: 2026-10-17T04:16:51.907
Modified: 2026-10-17T04:16:51.907
Link: CVE-2026-109989
No data.
OpenCVE Enrichment
Updated: 2026-10-17T05:30:03Z
Weaknesses