Composr CMS 10.0.13 has XSS via the site_name parameter in a…
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Composr CMS 10.0.13 has XSS via the site_name parameter in a page=admin-setupwizard&type=step3 request to /adminzone/index.php.
Why it matters now
EPSS 0.00769 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-6518
- 2026-10-03 Alias added: GHSA-xxcj-mmq5-mg5m
References
More Composr Cms vulnerabilities
- TI-2021-16279 In ocProducts Composr CMS before 10.0.38, an attacker can inject JavaScript via the… CVSS 3.1MEDIUM 6.1
- TI-2021-16278 In ocProducts Composr CMS before 10.0.38, an attacker can inject JavaScript via Comcode for XSS. CVSS 3.1MEDIUM 5.4
Sources
- CVE-2018-6518 · CVE Program
- CVE-2018-6518 · NVD
- FIRST EPSS
- GHSA-xxcj-mmq5-mg5m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences