CVE Explorer
CVE-2026-3897
The Livemesh Addons for Beaver Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `labb_admin_ajax` AJAX action in all versions up to, and including, 3.9.2 due to missing authorization checks and insufficient input sanitization. The AJAX handler verifies a nonce but does not check user capabilities. This makes it possible for authenticated attackers with Subscriber-level access and above to modify plugin settings and inject malicious scripts that execute when admin
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Livemesh Addons for Beaver Builder","vendor":"livemesh","versions":[{"lessThanOrEqual":"3.9.2","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:5d577a8e85f63936295692fce5c0f09425b17f7773e71d425520c09a007ff396 · sha256:8b388e98f97a783c… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":6.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:5d577a8e85f63936295692fce5c0f09425b17f7773e71d425520c09a007ff396 · sha256:8b388e98f97a783c… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-862","description":"CWE-862 Missing Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:5d577a8e85f63936295692fce5c0f09425b17f7773e71d425520c09a007ff396 · sha256:8b388e98f97a783c… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"url":"https://plugins.trac.wordpress.org/browser/addons-for-beaver-builder/tags/3.9.2/admin/admin-ajax.php#L64"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:5d577a8e85f63936295692fce5c0f09425b17f7773e71d425520c09a007ff396 · sha256:8b388e98f97a783c… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/browser/addons-for-beaver-builder/tags/3.9.2/admin/views/settings.php#L137"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:5d577a8e85f63936295692fce5c0f09425b17f7773e71d425520c09a007ff396 · sha256:8b388e98f97a783c… · /containers/cna/references/3
{"url":"https://plugins.trac.wordpress.org/browser/addons-for-beaver-builder/tags/3.9.2/includes/helper-functions.php#L248"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:5d577a8e85f63936295692fce5c0f09425b17f7773e71d425520c09a007ff396 · sha256:8b388e98f97a783c… · /containers/cna/references/2
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8bc41c61-1d8a-445f-bd70-3b14a40c89d4?source=cve"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:5d577a8e85f63936295692fce5c0f09425b17f7773e71d425520c09a007ff396 · sha256:8b388e98f97a783c… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.