Grav
CVE-2024-27923
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK
2 techniques across 2 tactics: Defense Evasion, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could bypass authentication mechanisms to gain unauthorized access by sending crafted requests to the affected application. |
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Alert meAnalysisAI
Grav is a content management system (CMS). Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in composer
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. Grav is a content management system (CMS). Prior to version 1.7.43, users who may write a page may use the frontmatter feature due to insufficient permission validation and inadequate file name validation. This may lead to remote code execution. Version 1.7.43 fixes this issue. Affected products include: Getgrav Grav. Version information: version 1.7.43.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Grav is a content management system (CMS). Prior to version 1.7.43, users who may write a page may use the frontmatter feature due to insufficient permission validation and inadequate file name validation. This may lead to remote code execution. Version 1.7.43 fixes this issue.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
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
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Affected Products (CPE)NVD
Server-side template injection (SSTI) in Grav (getgrav/grav) prior to 1.8.0-beta.27 allows an authenticated attacker hol
Broken access control in Grav CMS (CWE-285) before 1.8.0-beta.27 lets an authenticated editor-level user escalate their
A Remote Code Execution (RCE) vulnerability in Grav CMS v1.7.48 allows an authenticated admin to upload a malicious plug
Grav is a file-based Web platform. Rated critical severity (CVSS 9.9), this vulnerability is remotely exploitable, low a
GravCMS 1.10.7 allows unauthenticated remote attackers to write arbitrary YAML configuration files, leading to full serv
Remote code execution in Grav CMS 2.0.4 (fixed in 2.0.7) lets an authenticated user holding the admin.pages or api.pages
Remote code execution in Grav CMS before 2.0.15 allows attackers holding page-edit or blueprint-config privileges to wri
Vertical privilege escalation in Grav CMS before 2.0.14 lets a delegated administrator holding only the admin.users perm
Stored cross-site scripting in Grav CMS before 2.0.15 lets authenticated editors smuggle JavaScript event handlers past
Server-side request forgery (SSRF) in Grav CMS versions prior to 1.7.49.5 allows remote authenticated attackers to make
Grav is a file-based Web platform. Prior to 1.8.0-beta.27, Grav CMS is vulnerable to a Server-Side Template Injection (S
Remote code execution in Grav CMS before 2.0.13 allows authenticated low-privilege users to plant and execute arbitrary
Exploit-DB