An issue was discovered in Typesetter 5.1.
Priority MEDIUM 48CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-94.
Summary
An issue was discovered in Typesetter 5.1. It suffers from a Host header injection vulnerability, Using this attack, a malicious user can poison the web cache or perform advanced password reset attacks or even trigger arbitrary user re-direction.
Why it matters now
EPSS 0.06692 93rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
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
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:typesettercms:typesetter:5.1:*:*:*:*:*:*:* | 5.1 | Vulnerable | Typesetter |
- cpe:2.3:a:typesettercms:typesetter:5.1:*:*:*:*:*:*:* Versions 5.1 Vulnerable ·Typesetter
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-6889
- 2026-10-03 Alias added: GHSA-9wwh-m593-xcgx
References
More Typesetter vulnerabilities
- TI-2025-43315 Typesetter CMS Reflected XSS via Move Message Handling CVSS 4.0MEDIUM 4.8
- TI-2025-43314 Typesetter CMS Reflected XSS via Status.php CVSS 4.0MEDIUM 4.8
- TI-2020-15797 Typesetter CMS 5.x through 5.1 allows admins to upload and execute arbitrary PHP code via… CVSS 3.1HIGH 7.2
- TI-2022-09152 TypesetterCMS v5.1 was discovered to contain a Cross-Site Request Forgery (CSRF) which is… CVSS 3.1HIGH 8.8
- TI-2018-05031 An issue was discovered in Typesetter 5.1. CVSS 3.0HIGH 8.0
- TI-2020-13638 Cross Site Scriptiong vulnerability in Typesetter 5.1 via the !1) className and !2)… CVSS 3.1MEDIUM 6.1
Sources
- CVE-2018-6889 · CVE Program
- CVE-2018-6889 · NVD
- FIRST EPSS
- GHSA-9wwh-m593-xcgx · 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