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Premmerce Wishlist EUVDEUVD-2026-39373

| CVE-2026-54849 CRITICAL
SQL Injection (CWE-89)
2026-06-25 Patchstack GHSA-vqcv-7pvp-5rhv
9.3
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 Premmerce Wishlist plugin
  2. Delivery
    Send crafted request to wishlist endpoint
  3. Exploit
    Inject SQL into unsanitized parameter
  4. Execution
    Database executes attacker query
  5. Impact
    Exfiltrate user credentials and sensitive data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Parameterized queries, prepared statements
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Persistence

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

Exploitation Conditions

No special conditions beyond having the Premmerce Wishlist for WooCommerce plugin (version <= 1.1.11) installed and active on a reachable WordPress site - exploitation is remote and unauthenticated (PR:N/UI:N/AC:L) against the plugin's exposed query path. The principal limiting factor is deployment: the target must actually run this specific plugin at a vulnerable version, which constrains the realistic target population. Exploitation also depends on the vulnerable wishlist request handler being reachable (it is registered on standard WordPress AJAX/query routes), and on the database backend processing the injected SQL; there is no requirement for a non-default configuration based on the supplied description.

Impact

Signals point to a high-priority issue with caveats. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) describes trivial remote, unauthenticated, no-interaction exploitation, and the 9.3 score is elevated by S:C (scope change) plus C:H. However, the impact metrics are uneven: C:H (full read of database contents) but I:N and only A:L, which is unusual for SQLi - classic SQLi often permits at least limited integrity impact, so the I:N rating suggests the vendor assessed this as data-disclosure-focused. No EPSS score was supplied, so probabilistic exploitation likelihood cannot be quantified; no KEV listing and no POC reference means there is no evidence of active exploitation or published exploit code at this time. No SSVC decision data was provided. Net: the technical exploitability is high (unauthenticated SQLi in a web-facing plugin is highly attractive and often automatable), but real-world urgency depends on this plugin's deployment footprint, which is modest. Treat as urgent-to-patch for any site running the plugin, while recognizing the absence of in-the-wild evidence.

Exploit ScenarioDerived

An attacker scanning the internet for WordPress sites running the Premmerce Wishlist plugin sends a crafted HTTP request to the vulnerable wishlist endpoint with malicious SQL embedded in a parameter, requiring no authentication or user interaction. Using UNION-based or blind SQLi techniques, they exfiltrate wp_users records including administrator email addresses and password hashes for offline cracking. No public proof-of-concept is identified at this time, but the low-complexity unauthenticated vector makes mass automated scanning a realistic threat once details circulate.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jun 25, 2026

SQL injection in the Premmerce Wishlist for WooCommerce WordPress plugin (versions 1.1.11 and earlier) lets remote unauthenticated attackers inject crafted SQL into backend database queries, per the CVSS PR:N vector. Reported by Patchstack and rated 9.3 (CVSS 3.1), it allows extraction of sensitive WordPress/WooCommerce data such as user records and credential hashes. There is no public exploit identified at time of analysis, it is not listed in CISA KEV, and no EPSS score was provided.

RemediationAI

No vendor-released patched version is named in the available data; the advisory states only that versions up to and including 1.1.11 are affected, so the primary action is to upgrade to the next release above 1.1.11 once published by Premmerce (verify the fixed version directly via the Patchstack advisory and the plugin's WordPress.org changelog before relying on it). Until a confirmed fixed version is installed, deactivate and remove the Premmerce Wishlist for WooCommerce plugin if the wishlist feature is non-essential - this fully removes the attack surface at the cost of losing wishlist functionality. As a lower-impact compensating control, place a WAF rule (e.g. Patchstack, Wordfence, or ModSecurity) in front of the site to block SQL-injection patterns against the plugin's AJAX/query endpoints, accepting that signature-based filtering may be bypassable and can cause false positives. Restricting or rate-limiting access to wp-admin/admin-ajax.php and monitoring database query logs for anomalies are additional defensive measures. Reference: the Patchstack advisory URL above.

Affected VersionsENISA

Premmerce Wishlist for WooCommerce n/a ≤1.1.11

Affected Packages

euvd premmerce_wishlist_for_woocommerce 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 affected component is Premmerce Wishlist for WooCommerce, an e-commerce wishlist plugin running on the WordPress/WooCommerce stack (PHP backed by a MySQL/MariaDB database), identified by CPE cpe:2.3:a:premmerce:premmerce_wishlist_for_woocommerce. The flaw is classified as CWE-89 (Improper Neutralization of Special Elements used in an SQL Command), meaning user-controllable input reaches a SQL query without proper parameterization or escaping - typically a wishlist parameter (e.g. product/wishlist ID) passed through an AJAX or query-string handler that bypasses WordPress's $wpdb->prepare() safeguards. Because WordPress AJAX endpoints (wp-admin/admin-ajax.php) and nopriv hooks can be reachable without login, an unauthenticated path to the vulnerable query is consistent with the PR:N rating.

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Severity by source

Vendor (Patchstack) PRIMARY 9.3 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
vuln.today AI 8.2 HIGH

Unauthenticated remote SQLi (AV:N/AC:L/PR:N/UI:N) yields full DB read (C:H) and plausible limited writes (I:L); kept S:U as injection stays within the database trust boundary.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/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
Changed
Confidentiality
High
Integrity
None
Availability
Low

DescriptionCVE.org

Unauthenticated SQL Injection in Premmerce Wishlist for WooCommerce <= 1.1.11 versions.

Executive ViewAI

Why It Matters

The Premmerce Wishlist for WooCommerce plugin (versions 1.1.11 and earlier) contains a critical SQL injection vulnerability allowing unauthenticated attackers to extract customer records and password hashes directly from the database. With 9.3 CVSS severity and no available security patch, organizations using this plugin face immediate risk of customer data breach and regulatory compliance violations. Plugin disablement is the only currently available risk mitigation.

Business Impact: Severe
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: (1) Plugin deactivation (removes attack vector); (2) Database-level network restrictions limiting access to authorized application servers only; (3) Web Application Firewall rules to detect and block SQL injection patterns; (4) Enable comprehensive database query logging and alerting on malformed SQL commands; (5) Enforce multi-factor authentication and strong password policies for all WordPress administrator accounts.

Threat Intelligence Overview

EPSS Score
0.2%
Top 86% exploitable
Prevalence
Low
niche third-party WooCommerce wishlist plugin, limited deployment footprint
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 CRITICAL
CISA KEV No
Public POC No
EPSS 0.2%
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
Partial

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +46
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

SQL injection exploits the way applications construct database queries by mixing user input directly into SQL statements.

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