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SMS Alert EUVDEUVD-2026-114303

| CVE-2026-116386 CRITICAL
Incorrect Privilege Assignment (CWE-266)
2026-10-30 Patchstack GHSA-33r3-mmgj-jpmc
9.8
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
    Identify site running vulnerable SMS Alert plugin
  2. Delivery
    Send crafted unauthenticated request
  3. Exploit
    Abuse improper privilege management
  4. Execution
    Escalate to elevated privileges
  5. Impact
    Compromise site data and control

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Privilege assignment review
Exploitation Conditions

The target must be running the WordPress plugin 'SMS Alert Order Notifications' by Cozy Vision Technologies at version 4.0.2 or earlier and have it active. Per the CVSS vector (AV:N/AC:L/PR:N/UI:N), no authentication, no special privileges, and no user interaction are required - exploitation is remote and unauthenticated. The specific feature, endpoint, or configuration that triggers the privilege escalation is not described in the available sources, so beyond having the vulnerable plugin version installed and reachable, no additional limiting prerequisite (non-default configuration, specific platform, or user interaction) is confirmed from the data.

Impact

This is a genuine high-priority issue rather than a high-CVSS-but-low-real-risk case, though several corroborating signals are absent. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) describes fully remote, unauthenticated, low-complexity exploitation with no user interaction and high impact to confidentiality, integrity, and availability (9.8 Critical), which aligns with CWE-266 (Improper Privilege Management) manifesting as unauthenticated privilege escalation. The vuln.today decision label is act_now and the finding was reported by Patchstack, a credible WordPress-focused vulnerability source, which supports prioritization. However, no EPSS exploitation-probability score was supplied, the CVE is NOT listed in CISA KEV, and no SSVC automatable/technical-impact breakdown was provided, so widespread or automated exploitation cannot be confirmed from the data - the act_now label here reflects the severity and nature of the flaw plus vendor reporting, not evidence of observed attacks. The only reference is the Patchstack advisory page itself, not verified working exploit code. Net: treat as an urgent patch priority consistent with the act_now decision, while noting that EPSS, KEV, and independent PoC confirmation are all missing.

Exploit ScenarioDerived

A remote attacker sends crafted requests to a WordPress site running the SMS Alert Order Notifications plugin (version 4.0.2 or earlier) without needing any account or credentials, abusing the plugin's improper privilege management to elevate their effective privileges. Because the CVSS vector indicates no authentication and no user interaction, this could be scripted against exposed sites; the precise request/trigger is not described in the available sources. No public exploit identified at time of analysis.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 30, 2026

Unauthenticated privilege escalation in the WordPress plugin SMS Alert Order Notifications through version 4.0.2 lets remote attackers obtain elevated privileges without authentication or user interaction, with high confidentiality, integrity, and availability impact (CVSS 9.8). The issue is classified as CWE-266 incorrect privilege assignment and was reported by Patchstack; the vulnerable endpoint or feature that triggers the escalation is not described in the available sources. The vuln.today priority is act_now, no public exploit was identified at time of analysis, and there is no CISA KEV confirmation.

RemediationAI

No vendor-released patch identified at time of analysis; check the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/sms-alert/vulnerability/wordpress-sms-alert-order-notifications-plugin-4-0-2-privilege-escalation-vulnerability?_s_id=cve for a fixed release and update immediately when one is published. Until then, deactivate and remove the SMS Alert Order Notifications plugin from WordPress to eliminate the vulnerable code path, accepting loss of SMS order notifications. If the plugin must remain active, restrict network access to the plugin's WordPress endpoints at a reverse proxy or WAF and monitor wp-admin role and privilege changes for unexpected grants; these are partial mitigations because the vulnerable trigger is not identified in the available sources and may not cover the actual escalation path.

Affected VersionsENISA

SMS Alert Order Notifications n/a ≤4.0.2

Affected Packages

euvd sms_alert_order_notifications 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

SMS Alert Order Notifications is a WordPress plugin from Cozy Vision Technologies Pvt. Ltd. that sends SMS notifications for order events; the supplied CPE is cpe:2.3:a:cozy_vision_technologies_pvt._ltd.:sms_alert_order_notifications:*:*:*:*:*:*:*:*. CWE-266 covers incorrect privilege assignment, indicating that the plugin does not properly constrain the privilege level a caller can obtain, but the available advisory does not identify the specific AJAX action, REST route, shortcode, hook, or configuration that exposes the flaw, so the exact trigger is not described in the available sources. The CVSS:3.1:AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H vector means network-reachable exploitation with no authentication and no user interaction, and high confidentiality, integrity, and availability impact.

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Severity by source

Vendor (Patchstack) PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 9.8 CRITICAL

Description and CWE-266 indicate unauthenticated remote privilege escalation with no user interaction, yielding PR:N/UI:N/AC:L and full C/I/A impact with unchanged scope.

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

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

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

DescriptionCVE.org

Unauthenticated Privilege Escalation in SMS Alert Order Notifications <= 4.0.2 versions.

Executive ViewAI

Why It Matters

The SMS Alert Order Notifications plugin for WordPress, used by many organizations for order updates, contains an unauthenticated privilege escalation flaw rated CRITICAL (CVSS 9.8). Attackers could exploit this to gain administrative access to WordPress sites, potentially compromising customer data, order integrity, and site availability. Leadership should prioritize remediation because this plugin is widely deployed and the vulnerability is trivial to exploit once an attack method emerges.

Business Impact: Severe
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include disabling or removing the vulnerable plugin, restricting access to plugin functionality via WAF or network controls, and monitoring for unauthorized privilege changes.

Threat Intelligence Overview

EPSS Score
0.3%
Top 71% exploitable
Prevalence
Medium
WooCommerce SMS notification plugin, common but not universally deployed
Social Media
1
Sightings
Data Quality
3 sources
Confidence: Low

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 CRITICAL
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
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
Out-of-Cycle
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact
Very High
Technical Impact
Total

Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

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