EasyCMS 1.3 is prone to Stored XSS when posting an article; four fields are affected: title, keyword, abstract, and content, as demonstrated by the /admin/index/index.html#listarticle URI. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
XSS
Easycms
NVD
GitHub
CVSS 3.0
5.4
EPSS
0.5%