Description
In RPCMS v1.8 and below, the "nickname" variable is not properly sanitized before being displayed on page. When the API functions are enabled, the attacker can use API to update user nickname with XSS payload and achieve stored XSS. Users who view the articles published by the injected user will trigger the XSS.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://gist.github.com/victomteng1997/bfa1e0e07dd22f7e0b13256eda79626f
Scores
CVSS v3
5.4
EPSS
0.0019
EPSS Percentile
40.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-79
Status
published
Products (1)
rpcms/rpcms
< 1.8
Published
Jul 26, 2021
Tracked Since
Feb 18, 2026