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Simple Link Directory Pro CVE-2026-61981

| EUVDEUVD-2026-48213 MEDIUM
Cross-Site Request Forgery (CSRF) (CWE-352)
2026-07-23 Patchstack GHSA-hmrj-v2v6-qp25
5.4
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 plugin
  2. Delivery
    Craft forged admin request payload
  3. Exploit
    Deliver phishing link or page to administrator
  4. Execution
    Admin loads page while authenticated
  5. Persist
    Browser submits forged request with admin session
  6. Impact
    Plugin executes unauthorized directory modification

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V3 - Web Frontend Security Anti-CSRF tokens, SameSite cookies
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

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

Exploitation Conditions

Exploitation requires that the target WordPress site has Simple Link Directory Pro version ≤15.0.8 installed and active, and that a user with sufficient privileges to perform the targeted plugin action (typically a WordPress administrator or editor) is actively authenticated in the same browser session at the time the forged request fires. The attacker must successfully deliver a malicious page or link to the victim and induce them to load it while logged in - this is the primary limiting factor. CVSS UI:R explicitly encodes this victim-interaction requirement. There is no known requirement for any non-default plugin configuration; the flaw appears to affect standard plugin operation. Exploitation is bounded to the plugin's own data scope - it does not provide OS-level access, credential disclosure, or WordPress core privilege escalation based on the C:N/I:L/A:L impact metrics.

Impact

The CVSS 5.4 Medium score is internally consistent: AV:N (network-delivered payload), AC:L (no special conditions), PR:N (attacker needs no account), UI:R (victim must interact), S:U (no scope change), C:N/I:L/A:L (limited impact). This is not listed in the CISA KEV catalog and no EPSS data was provided, meaning real-world exploitation probability appears low. The requirement for victim interaction (UI:R) is a meaningful friction point - exploitation depends on successfully phishing a logged-in WordPress administrator. Real-world risk is modest: an attacker can at most modify or disrupt the link directory data, not gain code execution or extract credentials. No POC code was referenced in the available intelligence, and the vulnerability was responsibly reported through Patchstack's coordinated disclosure program. This is a genuine but low-urgency issue for most organizations - elevated slightly for sites where the link directory data is business-critical or where administrator phishing is a plausible threat model.

Exploit ScenarioDerived

An attacker identifies a WordPress site running Simple Link Directory Pro ≤15.0.8 and crafts a hidden HTML form or img tag that submits a forged admin request to the plugin's endpoint. The attacker sends a phishing email or embeds the payload on a page likely to be visited by the site's logged-in administrator; when the administrator's browser loads the page, it automatically fires the forged request authenticated by the admin's existing session cookie, causing unauthorized creation, modification, or deletion of link directory entries. No public POC was identified at time of analysis, but the attack is straightforward to construct given the well-understood CSRF pattern in WordPress plugins.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 23, 2026

Cross-Site Request Forgery in Simple Link Directory Pro WordPress plugin (≤15.0.8) enables a remote unauthenticated attacker to execute unauthorized state-changing actions on a victim's WordPress installation by tricking an authenticated administrator into clicking a crafted malicious link. The CVSS vector (PR:N/UI:R) confirms the attacker requires no credentials of their own, but must socially engineer an authenticated administrator to trigger the forged request. No public exploit code or active exploitation has been identified at time of analysis, and CVSS impact signals are limited to low integrity and availability degradation with no confidentiality loss.

RemediationAI

The primary remediation is to update Simple Link Directory Pro to a version above 15.0.8; consult the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/simple-link-directory-pro/vulnerability/wordpress-simple-link-directory-pro-plugin-15-0-8-cross-site-request-forgery-csrf-vulnerability) and the WordPress plugin repository for the patched release version, which was not independently confirmed in the available data. If an immediate update is not possible, a compensating control is to restrict access to the WordPress admin dashboard via IP allowlisting at the web server or firewall level, reducing the attack surface by limiting which users can be socially engineered into triggering the forged request - the trade-off is reduced remote admin flexibility. Alternatively, a WordPress firewall plugin such as Wordfence or Patchstack's own virtual patching feature can block the malformed CSRF request at runtime without modifying the vulnerable plugin code. Temporarily deactivating the plugin is the most conservative fallback if none of the above options are viable.

Affected VersionsENISA

Simple Link Directory Pro n/a ≤15.0.8

Affected Packages

euvd simple_link_directory_pro 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

CWE-352 (Cross-Site Request Forgery) describes a flaw where the application fails to verify that a state-changing HTTP request was intentionally submitted by the authenticated user - typically because it does not validate WordPress nonces or check the request origin header. Simple Link Directory Pro is a premium WordPress plugin developed by QuantumCloud for managing link directories. The affected CPE is cpe:2.3:a:quantumcloud:simple_link_directory_pro:*:*:*:*:*:*:*:*, covering all versions through 15.0.8. Because WordPress plugins operate within the WordPress request lifecycle, missing nonce validation on admin-facing AJAX handlers or form processors is a classic CSRF attack surface in this ecosystem.

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Severity by source

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

Network-delivered CSRF needs no attacker privileges but requires active admin interaction; scope is unchanged with only low integrity and availability impact to the plugin's own data.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/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
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

DescriptionCVE.org

Unauthenticated Cross Site Request Forgery (CSRF) in Simple Link Directory Pro <= 15.0.8 versions.

Threat Intelligence Overview

EPSS Score
0.1%
Top 99% exploitable
Prevalence
Low
niche premium WordPress link directory plugin, limited install base
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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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· derived
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +27
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Request Forgery exploits the automatic credential inclusion behavior of web browsers.

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