The XO Event Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'xo_event_field' shortcode in all versions up to, and including, 3.2.10 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor 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
Thu, 19 Feb 2026 05:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The XO Event Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'xo_event_field' shortcode in all versions up to, and including, 3.2.10 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. | |
| Title | XO Event Calendar <= 3.2.10 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'xo_event_field' shortcode | |
| Weaknesses | CWE-79 | |
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| Metrics |
cvssV3_1
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MITRE
Status: PUBLISHED
Assigner: Wordfence
Published:
Updated: 2026-02-19T04:36:14.235Z
Reserved: 2026-01-01T21:06:53.966Z
Link: CVE-2026-0556
Vulnrichment
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NVD
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OpenCVE Enrichment
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Weaknesses