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Media Library Assistant CVE-2026-95609

| EUVDEUVD-2026-95606 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-10-09 Patchstack GHSA-p35q-45mh-p88w
7.1
CVSS 3.1 · Vendor: Patchstack
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate or submit to plugin
  2. Delivery
    Store XSS payload in media field
  3. Exploit
    Admin views affected page
  4. Execution
    Script executes in victim browser
  5. Impact
    Hijack session / act as admin

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires the attacker to persist a crafted script payload into a Media Library Assistant field (media item metadata/attachment data the plugin renders in the admin interface) on a site running version 3.41 or earlier. It is NOT fully self-contained: it requires user interaction (UI:R) - a victim such as an administrator or editor must subsequently load the page where the unsanitized value is output - and realistically requires the attacker to have some content-submission capability on the target site to store the payload, despite the input's PR:N. Limiting factors: the Low C/I/A impacts (browser-context script execution, not direct server compromise), the dependency on a victim viewing the affected page, and the need for the vulnerable plugin version to be installed and active.

Impact

This is a stored (persistent) cross-site scripting flaw (CWE-79) in the Media Library Assistant WordPress plugin, versions through 3.41, reported by Patchstack. The supplied CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L) yields 7.1 (High) and models network reach, low complexity, no privileges, required user interaction, and a scope change - consistent with injected script executing in a victim's authenticated browser context. No EPSS probability was provided in the input, there is no CISA KEV listing, and no public proof-of-concept was supplied, so the signals point to 'no public exploit identified at time of analysis' rather than active exploitation. SIGNAL CONFLICT: the vector asserts PR:N (unauthenticated), but a *stored* XSS in a media-library plugin realistically requires an actor who can submit/persist content (e.g. an authenticated contributor/author uploading or editing media metadata) - verify with the vendor whether the injection point is truly unauthenticated or whether PR should be L. Net: a genuine but not emergency priority - a widely-installed plugin flaw worth patching on a normal cycle, downgraded in urgency by the UI:R requirement, the only-Low confidentiality/integrity/availability impacts, and the absence of exploitation evidence.

Exploit ScenarioDerived

An attacker with the ability to submit content (e.g. a low-privileged authenticated user, or an unauthenticated submitter if the vendor's PR:N holds) stores a malicious script payload in a media-library field that the plugin renders without proper neutralization. When an administrator or other user later views the affected media-library page in wp-admin, the script executes in their browser session, enabling session/cookie theft or admin-context actions. No public proof-of-concept was identified in the provided data, and successful exploitation depends on a victim viewing the poisoned page (UI:R).

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 09, 2026

Stored cross-site scripting in the WordPress plugin Media Library Assistant (versions through 3.41) allows an attacker to persist a crafted script payload into media item metadata or attachment fields that the plugin later renders in the admin interface, where it executes in the browser context of an administrator or editor who loads the affected page. Exploitation is not fully self-contained: it requires user interaction (the victim must view the poisoned page) and, consistent with our assessed vector (PR:L rather than the CVE record's PR:N), realistically requires the attacker to hold some content-submission capability on the target site in order to store the payload. Impact is limited to low confidentiality, integrity, and availability within the victim's browser session, and no public exploit or confirmed active exploitation was identified at time of analysis.

RemediationAI

No vendor-released patch version was identified in the available intelligence for CVE-2026-95609; patch status is 'No vendor-released patch identified at time of analysis,' and the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/media-library-assistant/vulnerability/wordpress-media-library-assistant-plugin-3-41-cross-site-scripting-xss-vulnerability?_s_id=cve should be monitored for the fixed release, after which the plugin must be upgraded above 3.41. Until a fixed version is confirmed, the most effective compensating control is to deactivate the plugin entirely if the site does not depend on its media metadata and attachment-management features - the trade-off is loss of that functionality. If the plugin must remain active, restrict the roles permitted to upload media and edit attachment metadata to trusted administrators only (removing upload/contributor capabilities from lower-privileged accounts), which directly removes the content-submission path the assessed PR:L vector depends on, at the cost of changing editorial workflows. Additional hardening includes deploying a WAF rule set that inspects media and attachment metadata submission payloads for script content and blocks suspicious patterns, and restricting access to wp-admin by IP allowlisting where operationally feasible; both reduce but do not eliminate the risk because the payload is stored and rendered by the application itself, and WAF signature coverage for plugin-specific admin views is incomplete. Because exploitation requires a privileged user to view the poisoned admin page, administrators and editors should be advised not to open unfamiliar media/attachment edit screens on untrusted content until the plugin is updated, and the media library should be reviewed for injected metadata.

Affected VersionsENISA

Media Library Assistant 0 ≤3.41

Affected Packages

euvd media_library_assistant no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The flaw is a CWE-79 improper neutralization of input during web page generation, expressed as a persistent (stored) XSS in a WordPress plugin. Media Library Assistant extends WordPress's media handling with metadata, taxonomy, and attachment-management features; the plugin takes user-supplied values from media item fields and outputs them into admin-side HTML without adequate escaping or sanitization. Because the payload is stored server-side rather than reflected, every subsequent render of the affected admin view re-delivers it to whichever privileged user opens that page. The CVE record's vector (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L) indicates network-reachable, low-complexity, user-interaction-dependent exploitation with a scope change and low C/I/A impact; our independent assessment adjusts the privilege requirement to PR:L and drops availability impact (C:L/I:L/A:N), reflecting that the attacker must be able to submit content that lands in the vulnerable field and that the consequence is script execution in a browser session rather than server compromise. The affected CPE, cpe:2.3:a:david_lingren:media_library_assistant:*:*:*:*:*:*:*:*, is a wildcard with no version boundaries encoded, so the authoritative version constraint comes from the vendor advisory (through 3.41).

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Severity by source

Vendor (Patchstack) PRIMARY 7.1 HIGH
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
vuln.today AI 5.4 MEDIUM

Stored XSS needs an authenticated content-submitter (PR:L) and a victim viewing the page (UI:R); injected script runs cross-context (S:C) with Low C/I and no availability impact.

3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in David Lingren Media LIbrary Assistant media-library-assistant allows Stored XSS.This issue affects Media LIbrary Assistant: from n/a through 3.41.

Executive ViewAI

Why It Matters

The Media Library Assistant WordPress plugin (versions through 3.41) contains a stored cross-site scripting vulnerability that could allow an authenticated user to inject malicious scripts into media metadata, affecting administrators or editors who view poisoned pages. No public exploit identified at time of analysis, and no vendor-released patch identified at time of analysis, so immediate mitigation is required to protect privileged users. Leadership should prioritize inventorying affected sites and applying interim controls to reduce risk of administrative account compromise.

Business Impact: Medium
Compensating Controls

Restrict content submission and media editing capabilities to trusted roles, enforce least privilege, deploy WAF rules to detect and block stored XSS, monitor admin pages for suspicious script execution, and consider disabling the plugin if not essential.

Threat Intelligence Overview

EPSS Score
0.2%
Top 94% exploitable
Prevalence
Medium
popular WordPress media plugin, common but not on every site
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
Medium
Technical Impact
Partial

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

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