CVE-2026-4142Sentence To SEO (keywords, description and tags) <= 1.0 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'Permanent keywords' Field
Updated under an hour ago ()
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The Sentence To SEO (keywords, description and tags) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Permanent keywords' field in all versions up to and including 1.0. This is due to insufficient input sanitization and output escaping. The plugin reads user input via filter_input_array(INPUT_POST) which applies no HTML sanitization (FILTER_DEFAULT), stores it unsanitized to the WordPress options table via update_option(), and then outputs the stored value directly into a textarea element without any escaping using PHP short echo tags (<?= ?>). An attacker can break out of the textarea element using a closing </textarea> tag and inject arbitrary HTML/JavaScript. This makes it possible for authenticated attackers, with administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the plugin's settings page.
- CVSS
- 4.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Wordfence
- NVD analysis
- Deferred
- Record last updated
- Apr 22, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
eazyserver Sentence To SEO (keywords, description and tags) eazyserver:sentence_to_seo_keywords_description_and_tags (from the name) | through 1.0 | CNA record |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7d11b2db-d097-433f-923c-f49ef2951c0e?source=cve
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/trunk/index.php#L81
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/tags/1.0/index.php#L81
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/trunk/index.php#L50
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/tags/1.0/index.php#L50
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/trunk/index.php#L262
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/tags/1.0/index.php#L262
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/trunk/index.php#L87
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/tags/1.0/index.php#L87
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/trunk/index.php#L75
- https://plugins.trac.wordpress.org/browser/sentence-to-seo/tags/1.0/index.php#L75
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.