Lithium Forum Compose Message server-side request forgery
Priority MEDIUM 57CWE-918Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
A vulnerability, which was classified as critical, has been found in Lithium Forum 2017 Q1. This issue affects some unknown processing of the component Compose Message Handler. The manipulation of the argument upload_url leads to server-side request forgery. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00333 26th 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
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Lithium | Forum | 2017 Q1 | — | No fix listed | CNA |
- Forum VendorLithium Affected 2017 Q1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-20106
- 2026-10-03 Alias added: GHSA-5m2c-33c5-mhvp
References
Sources
- CVE-2017-20106 · CVE Program
- CVE-2017-20106 · NVD
- FIRST EPSS
- GHSA-5m2c-33c5-mhvp · 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