Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
-
AccessObtain Contributor account on target WP site
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DeliverySubmit content with crafted XSS payload
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ExploitPayload stored via unsanitized plugin input
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ExecutionAdmin/editor views the content
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PersistScript executes in privileged browser session
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ImpactSession/privilege abuse in admin origin
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 account with at least Contributor privileges (PR:L) on a WordPress site running the Virtue/Ascend/Pinnacle Toolkit plugin version 4.9.12.1 or earlier, plus user interaction from a victim (UI:R) - typically a higher-privileged administrator or editor viewing the attacker-supplied content for the injected script to execute. Limiting factors: the flaw is not exploitable by unauthenticated visitors, depends on the specific (unspecified) plugin input field that lacks output encoding, and the payload only yields impact when a privileged user renders the malicious content. The specific vulnerable parameter and sink are not disclosed in the available data. |
| Impact | The single quantitative signal available is the reported CVSS 3.1 base score of 6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L), attributed to Patchstack. This is a network-vector, low-complexity flaw but is gated by two meaningful factors: it requires a low-privilege authenticated account (PR:L - a Contributor role, per the description) and victim user interaction (UI:R). The scope-change (S:C) with low tri-impact (C:L/I:L/A:L) is the standard Patchstack scoring pattern for stored/reflected XSS that executes in another user's browser context. No EPSS score, no CISA KEV listing, and no public proof-of-concept are present in the supplied data; no SSVC decision vector was provided either. Weighing these together, this is a low-to-moderate real-world priority rather than an urgent one: it is not remotely exploitable by an anonymous attacker, it needs a Contributor foothold plus an admin/editor to interact with the malicious content, and there is no evidence of exploitation. The primary value is that a compromised or malicious contributor could escalate influence via script execution in a higher-privileged session. No key signals are internally conflicting, but the absence of EPSS/POC data means exploitation likelihood cannot be quantified - treat as a routine patch-management item. |
| Exploit ScenarioDerived | A user with Contributor-level access to a WordPress site running Virtue/Ascend/Pinnacle Toolkit <= 4.9.12.1 submits content containing a malicious script payload through an input the plugin fails to sanitize. When an administrator or editor later views that content in the dashboard or on the rendered page, the script executes in their authenticated browser session, potentially enabling session hijacking or admin-context actions. No public proof-of-concept is identified in the available data, and the attack requires both the low-privilege account and victim interaction (UI:R). |
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Alert meAnalysisAIv1 – Sep 30, 2026
Cross-site scripting (XSS) in the Virtue/Ascend/Pinnacle Toolkit WordPress plugin allows an authenticated Contributor-level user to inject malicious script that executes in a higher-privileged user's browser when they view the crafted content, potentially leading to session theft or unauthorized actions. The vulnerability affects versions up to and including 4.9.12.1 and requires user interaction (UI:R) combined with Contributor access (PR:L), with a CVSS 3.1 base score of 6.5. No public exploit code or active exploitation has been identified at time of analysis.
RemediationAI
No vendor-released patch or fixed version is specified in the available data, so administrators should check the Patchstack advisory and the plugin's WordPress repository page for updates. Until a patch is confirmed, consider deactivating the Virtue/Ascend/Pinnacle Toolkit plugin if it is not essential, which removes the attack surface but may disable site features. If the plugin must remain active, restrict Contributor accounts to trusted users only and review their capabilities to prevent unfiltered HTML submission; this may disrupt editorial workflows. Deploy a web application firewall (WAF) with XSS filtering rules, though false positives may occur. Additionally, ensure all user-supplied content is properly escaped before output by applying temporary patches or custom code, if feasible. Monitor for suspicious activity from Contributor accounts.
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
This is a CWE-79 improper neutralization of input during web page generation (cross-site scripting) flaw in the Virtue/Ascend/Pinnacle Toolkit plugin for WordPress, maintained by Nexcess. The plugin extends the Virtue, Ascend, and Pinnacle themes with widgets, shortcodes, and other site-building features. An authenticated user with Contributor privileges can supply crafted input to a plugin field that is later rendered without adequate output encoding, causing a script to execute in the context of a different user's browser. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L indicates network attack vector, low attack complexity, low privileges required, user interaction required, scope change, and low confidentiality, integrity, and availability impacts. The specific vulnerable parameter and sink are not disclosed in available data.
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Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Network-reachable XSS needing a Contributor account (PR:L) and victim interaction (UI:R); script runs cross-context (S:C) with limited tri-impact, matching the reported vector.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
DescriptionCVE.org
Contributor Cross Site Scripting (XSS) in Virtue/Ascend/Pinnacle Toolkit <= 4.9.12.1 versions.
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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EUVD-2026-89918
GHSA-67cw-qmp2-95xv
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB