EUVD-2026-76007
GHSA-928c-4p6w-v8h4
Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Stored XSS requires victim to visit the page (UI:R); contributor credentials needed (PR:L); scope changes to victim browser (S:C); no availability impact.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The Media Library Assistant plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'mla_gallery' shortcode in versions up to and including 3.35. This is due to insufficient input sanitization and output escaping on the mla_link_href parameter when mla_output is set to 'paginate_links', where the _paginate_links() function processes the value through mla_process_shortcode_parameter() and _replace_query_parameter() without proper URL escaping, then outputs it directly in href attributes without applying esc_url(). This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
AnalysisAI
Stored Cross-Site Scripting in the Media Library Assistant WordPress plugin (versions ≤3.35) allows authenticated contributors to plant persistent JavaScript payloads that execute in any visitor's browser. The injection point is the mla_link_href parameter of the [mla_gallery] shortcode when mla_output is set to 'paginate_links': the _paginate_links() function processes the value through mla_process_shortcode_parameter() and _replace_query_parameter() but writes the result directly into href attributes without invoking WordPress's esc_url() sanitizer, leaving the output unsanitized. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated WordPress session at contributor level or higher (PR:L); unauthenticated visitors cannot trigger the vulnerability. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 6.4 with vector AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N reflects a network-reachable, low-complexity attack requiring only contributor-level WordPress credentials, with scope change (S:C) capturing the browser-context pivot from server to victim. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Update the Media Library Assistant plugin to the version that incorporates SVN changeset 3512155 - anticipated to be 3.36 or later - available via the WordPress Plugin Directory or the plugin's SVN repository at plugins.trac.wordpress.org. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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