Media Library Assistant <= 3.35 - Authenticated (Author+) Stored Cross-Site Scripting via Bulk Edit Preset Export/Import
Summary
| CVE | CVE-2026-6642 |
|---|---|
| State | PUBLISHED |
| Assigner | Wordfence |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-11 08:16:48 UTC |
| Updated | 2026-09-11 08:16:48 UTC |
| Description | The Media Library Assistant plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the bulk edit preset export/import mechanism in versions up to and including 3.35. This is due to insufficient output escaping on preset field values when they are rendered in HTML attribute contexts in the mla_generate_bulk_edit_form_fieldsets() function and mla-bulk-edit-fieldsets.tpl template. While wp_kses() filtering is applied during preset export for users without unfiltered_html capability, this does not prevent attribute injection attacks since the malicious payload consists of quotes and HTML attributes rather than HTML tags. When preset values are retrieved and rendered, they are directly assigned to template variables without esc_attr() escaping and then inserted into input element value attributes via simple string replacement. This makes it possible for authenticated attackers, with Author-level access and above (upload_files capability), to inject arbitrary web scripts that execute when an administrator imports the poisoned preset and the targeted input field receives focus. |
Risk And Classification
Primary CVSS: v3.1 6.4 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 6.4 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
| 3.1 | CNA | DECLARED | 6.4 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
ChangedConfidentiality
LowIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Dglingren | Media Library Assistant | affected 3.35 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| plugins.trac.wordpress.org/browser/media-library-assistant/trunk/tpls/mla-bulk-edit-fiel... | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-ajax... | [email protected] | plugins.trac.wordpress.org | |
| www.wordfence.com/threat-intel/vulnerabilities/id/6e45dc8a-b777-4a49-b1b1-c59ff... | [email protected] | www.wordfence.com | |
| plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-edit... | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/browser/media-library-assistant/tags/3.35/includes/class-mla-... | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/browser/media-library-assistant/tags/3.35/tpls/mla-bulk-edit-... | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/changeset/3512155 | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/browser/media-library-assistant/tags/3.35/includes/class-mla-... | [email protected] | plugins.trac.wordpress.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: TruongLV1 From FPT Night Wolf (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-04-20T05:06:52.000Z | Vendor Notified |
| CNA | 2026-09-10T00:00:00.000Z | Disclosed |
There are currently no legacy QID mappings associated with this CVE.