CVE-2020-29240 EXPLOIT
4.8
MEDIUM · CVSS 3.1 · EPSS 1.7% (pctl 76)
Patch early
A public exploit exists.
Description
Lepton-CMS 4.7.0 is affected by cross-site scripting (XSS). An attacker can inject the XSS payload in the URL field of the admin page and each time an admin visits the Menu-Pages-Pages Overview section, the XSS will be triggered.
Scoring
| CVSS | 4.8 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| EPSS | 1.69% — more likely to be exploited than 76% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2020-12-02 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| lepton-cms | leptoncms |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | LEPTON CMS 4.7.0 - 'URL' Persistent Cross-Site Scripting | 2020-12-01 |
References
→ the Explorer · watch your stack · NVD