CVE-2018-6518

MEDIUM

Composr CMS 10.0.13 - Cross-Site Scripting via site_name Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-6518. PoCs published by faizzaidi.

AI-analyzed exploit summary This repository contains a README file describing a Cross-Site Scripting (XSS) vulnerability in Composr CMS version 10.0.13, assigned CVE-2018-6518. No exploit code or technical details are provided beyond the CVE reference.

Description

Composr CMS 10.0.13 has XSS via the site_name parameter in a page=admin-setupwizard&type=step3 request to /adminzone/index.php.

Exploits (1)

nomisec WRITEUP 2 stars
by faizzaidi · poc
https://github.com/faizzaidi/Composr-CMS-10.0.13-Cross-Site-Scripting-XSS

This repository contains a README file describing a Cross-Site Scripting (XSS) vulnerability in Composr CMS version 10.0.13, assigned CVE-2018-6518. No exploit code or technical details are provided beyond the CVE reference.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Theoretical
Target: Composr CMS 10.0.13
No auth needed
Prerequisites: Access to a vulnerable Composr CMS instance
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/faizzaidi/Composr-CMS-10.0.13-Cross-Site-Scripting-XSS

Scores

CVSS v3 4.8
EPSS 0.0080
EPSS Percentile 51.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
compo/composr_cms 10.0.13
Published Apr 26, 2018
Tracked Since Feb 18, 2026