Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessObtain low-privilege WordPress account
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DeliveryInject crafted payload via plugin input
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ExploitAdmin opens affected media page
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ExecutionDOM renders attacker script
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ImpactScript runs in admin browser context
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 an authenticated WordPress account with at least low privileges (CVSS PR:L) and a victim who interacts with the attacker-influenced content (UI:R), so it is not remote-unauthenticated against a default install. The affected component is the Media Library Assistant plugin (versions up to and including 3.42); the description labels this DOM-based XSS but does not name the exact parameter, page, or configuration that triggers it, so the precise injection point is not described in the available sources. Limiting factors are the need for a pre-existing account, the dependence on victim interaction (typically a higher-privileged user viewing the malicious content), and the requirement that the vulnerable plugin be installed and active. |
| Impact | This is a DOM-based cross-site scripting flaw (CWE-79) in the Media Library Assistant WordPress plugin, scored CVSS 6.5 (medium). The vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L indicates network-reachable, low-complexity exploitation that requires an already-authenticated low-privilege account (PR:L) plus victim user interaction (UI:R), with a scope change (S:C) reflecting script execution in the victim's browser context. The vuln.today decision label is 'this_month', not 'act_now' or 'emergency', consistent with a medium-severity, interaction-dependent XSS rather than a drop-everything issue. No KEV listing is present, so there is no confirmed active exploitation; no EPSS score was supplied, so exploitation probability cannot be quantified from this data; and the only reference is a Patchstack advisory page, not proof-of-concept exploit code, so no public exploit is identified. The combined signals point to a genuine but moderate, secondary-priority issue: exploitation needs both a foothold account and a tricked victim, which limits mass, unauthenticated abuse. The 'from n/a through 3.42' wording means a fixed version is not stated in the available data - this should be verified against the Patchstack/vendor advisory before concluding a patch exists. |
| Exploit ScenarioDerived | An attacker with a low-privilege authenticated WordPress account (e.g., contributor/author) injects a crafted payload into a Media Library Assistant input that is later reflected into the DOM; when a higher-privileged user such as an administrator views the affected page, the script executes in their browser session. No public proof-of-concept exploit code was identified, and the attack requires the victim to interact with the malicious content. |
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Alert meAnalysisAIv1 – Oct 29, 2026
DOM-based cross-site scripting in the Media Library Assistant WordPress plugin, affecting versions through 3.42, lets an authenticated low-privilege user plant script that runs in a victim's browser once that victim interacts with the attacker-influenced content. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L, score 6.5) shows this is not unauthenticated against a default install: it needs a pre-existing WordPress account plus victim interaction, and the scope change means the injected script can act beyond the plugin's own origin context. No public exploit was identified at time of analysis and there is no KEV entry; the priority label is this_month.
RemediationAI
No vendor-released patch is identified in the available data, and 3.42 is the highest version listed as affected, so administrators should monitor the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/media-library-assistant/vulnerability/wordpress-media-library-assistant-plugin-3-42-cross-site-scripting-xss-vulnerability?_s_id=cve) for a fixed release and upgrade as soon as a version above 3.42 is published. Because the independent assessment confirms that exploitation requires the vulnerable plugin to be installed and active, sites that do not rely on its enhanced media management features can deactivate and delete the plugin to eliminate exposure outright, accepting the loss of that functionality. The other prerequisite is an authenticated low-privilege account, so trimming the number of contributor and author accounts and reviewing who holds them reduces the set of accounts an attacker could use, though it does not correct the underlying flaw.
Affected VersionsENISA
Affected Packages
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 root cause class is CWE-79, improper neutralization of input during web page generation, applied here to a WordPress plugin that extends the native media library. The description classifies the issue as DOM-based XSS, meaning the untrusted value is handled by client-side JavaScript in the plugin rather than by server-side template rendering, but the available sources do not name the specific parameter, screen, or JavaScript sink that triggers execution. The CPE record cpe:2.3:a:david_lingren:media_library_assistant:*:*:*:*:*:*:*:* uses a wildcard version, matching every release up to and including 3.42, which is consistent with the ENISA EUVD range of Media Library Assistant 0 through 3.42. Because the plugin is a third-party component loaded inside WordPress, successful exploitation depends on the plugin being installed and active, on the attacker holding an account with at least low privileges, and on a victim with a session in that WordPress installation viewing the crafted content; the S:C scope metric indicates the resulting script execution is assessed as affecting resources beyond the vulnerable component itself.
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Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Authenticated low-privilege user can inject script (PR:L); victim must view it (UI:R); XSS executes in another user's browser (S:C) with limited C/I/A impact.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
DescriptionCVE.org
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in David Lingren Media LIbrary Assistant media-library-assistant allows DOM-Based XSS.This issue affects Media LIbrary Assistant: from n/a through 3.42.
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
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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