Vulnerability CVE-2021-3355
Published: 2021-02-24

Description:
A stored-self XSS exists in LightCMS v1.3.4, allowing an attacker to execute HTML or JavaScript code in a vulnerable Title field to /admin/SensitiveWords.

See advisories in our WLB2 database:
Topic
Author
Date
Low
LightCMS 1.3.4 Cross Site Scripting
Peithon
27.02.2021
Low
LightCMS 1.3.4 exclusive Stored XSS
Peithon
06.03.2021

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:S/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Lightcms project -> Lightcms 

 References:
http://packetstormsecurity.com/files/161562/LightCMS-1.3.4-Cross-Site-Scripting.html
https://gist.github.com/Peithon/1c628ded0c4fc96c6331c3cce1d0c69b
https://github.com/eddy8/LightCMS/issues/18
https://www.exploit-db.com/exploits/49598
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