The RT Mega Menu plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'css[left]' parameter in all versions up to, and including, 1.5.1 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.
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Fixes
Solution
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Workaround
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References
History
Fri, 18 Sep 2026 02:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The RT Mega Menu plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'css[left]' parameter in all versions up to, and including, 1.5.1 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. | |
| Title | RT Mega Menu <= 1.5.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting via rtmega_update_menu_options AJAX Action | |
| 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: 2026-09-18T14:31:42.657Z
Reserved: 2026-07-06T12:04:45.770Z
Link: CVE-2026-14855
No data.
Status : Deferred
Published: 2026-09-18T03:16:33.040
Modified: 2026-09-18T15:17:05.243
Link: CVE-2026-14855
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OpenCVE Enrichment
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Weaknesses