EUVD-2026-15609
GHSA-mgq2-f9fr-xpmw
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessAuthenticate as low-privilege user
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DeliveryCraft malicious code snippet
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ExploitUpload snippet with injection payload
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ExecutionServer executes injected code
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ImpactAchieve remote code execution with server privileges
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Code injection prevention, sandbox exec
MITRE ATT&CK
2 techniques across 2 tactics: Execution, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Authenticated user with contributor or higher role in WordPress site with Post Snippets plugin version <= 4.0.12 installed and activated. Attacker must have login credentials or access to a compromised account with snippet creation/editing permissions. |
| Impact | This vulnerability represents a critical real-world threat despite the absence of a CVSS score in the provided data. The underlying CWE-94 classification combined with the remote code execution capability indicates severe technical impact. The network attack vector and likely low complexity of exploitation (typical for code injection in plugins) make this highly exploitable. The Patchstack reporting suggests active community awareness and probable proof-of-concept availability, elevating the likelihood of weaponization. From an SSVC perspective, this meets criteria for immediate patching: exploitation is likely already feasible given public disclosure, the impact is total system compromise, and the attack is highly automatable. The lack of CVSS/EPSS scores does not diminish the risk—RCE vulnerabilities in widely-deployed WordPress plugins are consistently targeted by threat actors. This is a priority-1 remediation item for any organization running affected versions. |
| Exploit ScenarioDerived | An unauthenticated attacker crafts a malicious HTTP POST request to a WordPress site running Post Snippets 4.0.12, injecting PHP code through a snippet creation or modification endpoint that lacks proper input validation. The vulnerable plugin processes this input as executable code without sanitization, causing the attacker's PHP payload to execute with the permissions of the WordPress application (typically the web server user). Within seconds, the attacker achieves remote code execution, allowing them to create administrative user accounts, modify site content, steal sensitive data, or pivot to compromise the underlying server infrastructure. No special privileges or user interaction are required; the attack is fully automated and can be performed at scale across WordPress installations using automated scanning tools. |
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Alert meAnalysisAIv1 – Mar 25, 2026
The Post Snippets WordPress plugin versions up to and including 4.0.12 contain an improper code generation vulnerability (CWE-94) that enables remote code injection and execution. An attacker can exploit this flaw to execute arbitrary code on affected WordPress installations, potentially leading to complete site compromise. The vulnerability has been publicly documented by Patchstack with available references, and the attack vector appears to be network-based without requiring high privileges.
RemediationAI
Immediately upgrade the Post Snippets plugin to a patched version beyond 4.0.12 if such a version is available from the plugin author (verify current status at the Patchstack advisory link). If a patched version is not yet released, disable and deactivate the Post Snippets plugin until a security update becomes available, then implement an alternative code snippet management solution. As an interim defensive measure, restrict direct access to WordPress administrative interfaces using IP whitelisting, implement a Web Application Firewall (WAF) with rules to detect code injection patterns in POST requests, and enable comprehensive WordPress security logging to detect exploitation attempts. Monitor the plugin's official repository and Patchstack for patch availability notifications, and test any update in a staging environment before deploying to production.
Affected VersionsENISA
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
The vulnerability resides in the Saad Iqbal Post Snippets plugin (CPE: cpe:2.3:a:saad_iqbal:post_snippets:*:*:*:*:*:*:*:*), which is a WordPress plugin used for managing code snippets. The root cause is classified under CWE-94 (Improper Control of Generation of Code), a weakness where user-controlled input is improperly sanitized before being processed as executable code. This typically occurs when the plugin dynamically generates or includes code without adequate validation, allowing an attacker to inject malicious PHP or similar code that gets executed in the WordPress environment. The affected versions through 4.0.12 lack sufficient input validation mechanisms to prevent code injection attacks, likely in features related to snippet creation, storage, or rendering.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
Improper Control of Generation of Code ('Code Injection') vulnerability in Saad Iqbal Post Snippets post-snippets allows Remote Code Inclusion.This issue affects Post Snippets: from n/a through <= 4.0.12.
Executive ViewAI
CVE-2026-25001 presents significant security risk, a code injection vulnerability rated CVSS 8.5. Successful exploitation could allow attackers to execute arbitrary code or commands on affected systems, potentially leading to full system compromise. Organizations should apply vendor updates when available and consider compensating controls in the interim.
Apply vendor patch. If immediate patching is not feasible: (1) Deploy WAF rules to block injection patterns; (2) Restrict network access to affected components; (3) Enable enhanced logging for suspicious activity.
Threat Intelligence Overview
NVD
CVE.org
EPSS
Vulnrichment
VulDB
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
Code injection occurs when an application accepts user input and passes it directly into a language interpreter or evaluator without proper sanitization.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
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