In Rukovoditel 2.5.2, there is a stored XSS vulnerability on the configuration page via the copyright text input. Thus, an attacker can inject a malicious script to steal all users' valuable data. This copyright text is on every page so this attack vector can be very dangerous.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-11813
• https://fatihhcelik.blogspot.com/2020/01/rukovoditel-stored-xss.html