Privilege escalation to Administrator in Koinonia Link WordPress plugin
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-269.
Summary
The Koinonia Link WordPress plugin before 1.1.5 does not check whether a user is allowed to change roles before saving a role selection submitted with a profile update. Any authenticated user, such as a subscriber, can grant themselves the Administrator role. The weakness is classified as CWE-269 (Improper Privilege Management).
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
The Koinonia Link WordPress plugin before 1.1.5 does not check that a user is allowed to change roles before saving a role selection submitted with a profile update, allowing any authenticated user, such as a subscriber, to grant themselves the Administrator role.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| Unknown | Koinonia Link | 1.1.2 to before 1.1.5 | 1.1.5 | Patch available | CNA |
- Koinonia Link VendorUnknown Affected 1.1.2 to before 1.1.5 Fixed in 1.1.5 Patch available CNA
Remediation
Update Koinonia Link to version 1.1.5, which fixes the issue for affected versions from 1.1.2 before 1.1.5.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA Koinonia Link (Unknown) Fixed in 1.1.5
Timeline
- 2026-10-07 Threatist record created from CVE-2026-87782
- 2026-10-07 Alias added: GHSA-hx93-m334-hcgh
- 2026-10-07 CVSS score added · CISA ADP
- 2026-10-07 Weakness changed · CISA ADP
- 2026-10-07 CISA SSVC decision points changed
- 2026-10-07 Priority changed: LOW → MEDIUM
- 2026-10-25 Priority changed: MEDIUM → LOW
References
Sources
- CVE-2026-87782 · CVE Program
- CVE-2026-87782 · NVD
- FIRST EPSS
- GHSA-hx93-m334-hcgh · 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