Cpanel
CVE-2018-16236
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 6.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
cPanel through 74 allows XSS via a crafted filename in the logs subdirectory of a user account, because the filename is mishandled during frontend/THEME/raw/index.html rendering. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
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
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. cPanel through 74 allows XSS via a crafted filename in the logs subdirectory of a user account, because the filename is mishandled during frontend/THEME/raw/index.html rendering. Affected products include: Cpanel. Version information: through 74.
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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:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
cPanel through 74 allows XSS via a crafted filename in the logs subdirectory of a user account, because the filename is mishandled during frontend/THEME/raw/index.html rendering.
Threat Intelligence Overview
NVD
CVE.org
EPSS
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
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)NVD
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An issue was discovered in cPanel before 11.109.9999.116. Rated medium severity (CVSS 6.1), this vulnerability is remote
OS command injection in cPanel and WP Squared allows an authenticated, low-privileged hosting account holder to execute
OS command injection in the AUTOM8N plugin for WHM/cPanel (all versions through commit 82821f7) allows an attacker who c
cPanel before 88.0.13 mishandles file-extension dispatching, leading to code execution (SEC-488). Rated critical severit
In cPanel before 88.0.3, insecure chkservd test credentials are used on a templated VM (SEC-554). Rated critical severit
In cPanel before 88.0.3, insecure RNDC credentials are used for BIND on a templated VM (SEC-549). Rated critical severit
chsh in cPanel before 88.0.3 allows a Jailshell escape (SEC-497). Rated critical severity (CVSS 9.8), this vulnerability
cPanel before 88.0.3 mishandles the Exim filter path, leading to remote code execution (SEC-485). Rated critical severit
cPanel before 84.0.20 allows a demo account to achieve code execution via PassengerApps APIs (SEC-546). Rated critical s
cPanel before 84.0.20 allows a demo account to achieve remote code execution via a cpsrvd rsync shell (SEC-544). Rated c
Argument injection in WP Toolkit for cPanel 6.11.2-10794 and earlier allows a remote authenticated (low-privileged, PR:L
GitHub PoC
Exploit-DB