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Fri, 11 Sep 2026 15:30:00 +0000
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ssvc
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Fri, 11 Sep 2026 04:00:00 +0000
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| Description | The Relevanssi – A Better Search plugin for WordPress is vulnerable to Reflected Cross-Site Scripting in versions up to, and including, 4.28.1 via the 's', 'post_types', and 'orderby' request parameters. This is due to insufficient input sanitization and output escaping in the relevanssi_debug_array() function in lib/debug.php, which dumps user-supplied query variables through print_r() inside a <pre> block without HTML escaping. The debug path is enabled by supplying the relevanssi_debug=on request parameter when the administrator has previously enabled the 'Debugging mode' setting; the gate itself is a configuration check with no capability, nonce, or logged-in check (the vendor explicitly suppresses nonce verification on that line). This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a specially crafted link. | |
| Title | Relevanssi <= 4.28.1 - Reflected Cross-Site Scripting | |
| Weaknesses | CWE-79 | |
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| Metrics |
cvssV3_1
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Subscriptions
No data.
Status: PUBLISHED
Assigner: Wordfence
Published:
Updated: 2026-09-11T14:10:13.313Z
Reserved: 2026-08-16T13:53:20.548Z
Link: CVE-2026-19985
Updated: 2026-09-11T14:10:03.202Z
Status : Deferred
Published: 2026-09-11T04:17:34.620
Modified: 2026-09-11T15:17:00.737
Link: CVE-2026-19985
No data.
OpenCVE Enrichment
Updated: 2026-09-11T05:45:17Z