Vanilla 2.6.x before 2.6.4 allows remote code execution.
Priority MEDIUM 50CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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
Vanilla 2.6.x before 2.6.4 allows remote code execution.
Why it matters now
EPSS 0.05152 92nd 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-2018-18903
- 2026-10-03 Alias added: GHSA-jm3v-m7pq-rwrh
References
More Vanilla vulnerabilities
- TI-2016-08157 The from method in library/core/class.email.php in Vanilla Forums before 2.3.1 allows… CVSS 3.0HIGH 7.5
- TI-2011-03188 An Access Control vulnerability exists in the Facebook, Twitter, and Embedded plugins in Vanilla Forums before 2.0.17.9. CVSS 3.1CRITICAL 9.8
- TI-2013-03085 Unspecified vulnerability in the update check in Vanilla Forums before 2.0.18.8 has… CVSS 2.0HIGH 7.5
- TI-2013-03084 Multiple SQL injection vulnerabilities in Vanilla Forums before 2.0.18.8 allow remote… CVSS 2.0HIGH 7.5
- TI-2018-13806 Vanilla before 2.5.5 and 2.6.x before 2.6.2 allows Remote Code Execution because… CVSS 3.0HIGH 7.2
- TI-2011-03187 An issue exists in Vanilla Forums before 2.0.17.9 due to the way cookies are handled. CVSS 3.1HIGH 7.5
Sources
- CVE-2018-18903 · CVE Program
- CVE-2018-18903 · NVD
- FIRST EPSS
- GHSA-jm3v-m7pq-rwrh · GitHub Advisory Database · CC BY 4.0
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