CVE-2026-6401Bottom Bar <= 0.1.7 - Cross-Site Request Forgery to Settings Update
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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The Bottom Bar plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to and including 0.1.7. This is due to missing nonce verification on the plugin's settings update forms handled in bottom-bar-admin.php. None of the three settings forms (main settings, sharing services, restore defaults) include a wp_nonce_field(), and the server-side processing code never calls check_admin_referer() or any equivalent nonce validation before processing POST data and calling update_option(). This makes it possible for unauthenticated attackers to trick a logged-in administrator into submitting a crafted request that updates plugin configuration options, such as changing the language, maximum post counts, or enabled sharing services.
- CVSS
- 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- Weakness (CWE)
- CWE-352
- 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
- May 20, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
svil4ok Bottom Bar svil4ok:bottom_bar (from the name) | through 0.1.7 | CNA record |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/db0715ed-a06e-4a68-b9c3-408887cae113?source=cve
- https://plugins.trac.wordpress.org/browser/bottom-bar/trunk/bottom-bar-admin.php#L16
- https://plugins.trac.wordpress.org/browser/bottom-bar/tags/0.1.7/bottom-bar-admin.php#L16
- https://plugins.trac.wordpress.org/browser/bottom-bar/trunk/bottom-bar-admin.php#L59
- https://plugins.trac.wordpress.org/browser/bottom-bar/tags/0.1.7/bottom-bar-admin.php#L59
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.