A GET-based XSS reflected vulnerability in Plesk Obsidian 18.0.17 allows remote…
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
A GET-based XSS reflected vulnerability in Plesk Obsidian 18.0.17 allows remote unauthenticated users to inject arbitrary JavaScript, HTML, or CSS via a GET parameter.
Why it matters now
EPSS 0.01017 63rd percentileScored 2026-11-07
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-2020-11583
- 2026-10-03 Alias added: GHSA-869x-gj57-wpqr
References
More Plesk Obsidian vulnerabilities
- TI-2023-09824 A Host Header Injection issue on the Login page of Plesk Obsidian through 18.0.49 allows… CVSS 3.1MEDIUM 6.1
- TI-2021-14427 The feature to preview a website in Plesk Obsidian 18.0.0 through 18.0.32 on Linux is… CVSS 3.1MEDIUM 6.1
- TI-2022-22206 Plesk Obsidian allows a CSRF attack, e.g., via the /api/v2/cli/commands REST API to… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2020-11583 · CVE Program
- CVE-2020-11583 · NVD
- FIRST EPSS
- GHSA-869x-gj57-wpqr · 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