Multiple cross-site scripting (XSS) vulnerabilities exist in LeptonCMS before 4.6.0.
Priority LOW 28CWE-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
Multiple cross-site scripting (XSS) vulnerabilities exist in LeptonCMS before 4.6.0.
Why it matters now
EPSS 0.00641 50th 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
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:lepton-cms:leptoncms:*:*:*:*:*:*:*:* | before 4.6.0 | Vulnerable | Lepton-cms |
- cpe:2.3:a:lepton-cms:leptoncms:*:*:*:*:*:*:*:* Versions before 4.6.0 Vulnerable ·Lepton-cms
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-12705
- 2026-10-03 Alias added: GHSA-w426-v599-whp2
- 2026-10-21 EPSS moved to the 50th–90th percentile
References
More Lepton-cms Leptoncms vulnerabilities
- TI-2025-35398 LeptonCMS version 7.3.0 contains an arbitrary file upload vulnerability, which is caused… CVSS 3.1HIGH 8.8
- TI-2024-19482 File Upload vulnerability in lepton v.7.1.0 allows a remote authenticated attackers to… CVSS 3.1HIGH 8.8
- TI-2024-19481 File Upload vulnerability in lepton v.7.1.0 allows a remote authenticated attackers to… CVSS 3.1HIGH 8.8
- TI-2024-16165 An issue in Lepton CMS v.7.0.0 allows a local attacker to execute arbitrary code via the… CVSS 3.1HIGH 7.8
- TI-2024-16106 An arbitrary file upload vulnerability in LEPTON v7.0.0 allows authenticated attackers to… CVSS 3.1HIGH 7.2
- TI-2020-15222 Cross Site Scripting (XSS) vulnerability in backend/pages/modify.php in Lepton-CMS… CVSS 3.1MEDIUM 6.1
Sources
- CVE-2020-12705 · CVE Program
- CVE-2020-12705 · NVD
- FIRST EPSS
- GHSA-w426-v599-whp2 · 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