#VU31707 Cross-site scripting in RosarioSIS - CVE-2020-15718

Vulnerability identifier: #VU31707

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-15718

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
RosarioSIS
Web applications / CMS

Vendor: RosarioSIS

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data passed via the "include_inactive" parameter in the "PrintSchedules.php" script. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

RosarioSIS: 6.7.2

---

External links
https://exchange.xforce.ibmcloud.com/vulnerabilities/184944
https://gitlab.com/francoisjacquet/rosariosis/-/blob/mobile/CHANGES.md
https://gitlab.com/francoisjacquet/rosariosis/-/commit/89ae9de732024e3a2e99262aa98b400a1aa6975a
https://gitlab.com/francoisjacquet/rosariosis/-/issues/291
https://gitlab.com/francoisjacquet/rosariosis/-/tags/v6.8-beta

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.