CVE-2020-29240 json
Lepton-CMS 4.7.0 is affected by cross-site scripting (XSS).
published 2020-12-02 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-21619
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 1
- Exploit-DB
Summary
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.
Timeline
- First public exploit (EDB-49137)
- Published
Exploit prediction
1.69% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-49137 LEPTON CMS 4.7.0 - 'URL' Persistent Cross-Site Scripting webapps, 2020-12-01
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
exploit-db.com
/exploits/49137
exploit, third-party-advisory, vdb-entry
-
lepton-cms.org
/english/home.php
product, vendor-advisory
Sources
- CVE List CVE-2020-29240
- NVD CVE-2020-29240
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.