PublicCMS 4.0 is vulnerable to Cross Site Scripting (XSS). Because files can be uploaded and online preview function is provided, pdf files and html files containing malicious code are uploaded, an XSS popup window is realized through online viewing.

Deserialization of Untrusted Data in PublicCMS v.4.0.202302.e allows a remote attacker to execute arbitrary code via a crafted script to the writeReplace function.

An issue in PublicCMS v.4.0.202302.e allows a remote attacker to obtain sensitive information via the appToken and Parameters parameter of the api/method/getHtml component.

SQL Injection vulnerability found in PublicCMS v.4.0 allows a remote attacker to execute arbitrary code via sql parameter of the the SysSiteAdminControl.

SQL Injection vulnerability found in San Luan PublicCMS v.4.0 allows a remote attacker to execute arbitrary code via the sql parameter.

PublicCMS v4.0 was discovered to contain a remote code execution (RCE) vulnerability via the cmdarray parameter.

An issue in the BAT file parameters of PublicCMS v4.0 allows attackers to execute arbitrary code.

Cross Site Scripting (XSS) vulnerability in PublicCMS 4.0 to get an admin cookie when the Administrator reviews submit case.

An issue was discovered in PublicCMS V4.0. It allows XSS by modifying the page_list "attached" attribute (which typically has 'class="icon-globe icon-large"' in its value), as demonstrated by an 'UPDATE sys_module SET attached = "[XSS]" WHERE id="page_list"' statement.

An issue was discovered in PublicCMS V4.0.180825. For an invalid login attempt, the response length is different depending on whether the username is valid, which makes it easier to conduct brute-force attacks.