CVE-2018-15903 — MEDIUM (5.4)

Vulnerability Description

The Discuss v1.2.1 module in Claromentis 8.2.2 is vulnerable to stored Cross Site Scripting (XSS). An authenticated attacker will be able to place malicious JavaScript in the discussion forum, which is present in the login landing page. A low privilege user can use this to steal the session cookies from high privilege accounts and hijack these, enabling them to hijack the elevated session and perform actions in their security context.

CVSS Score

5.4

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Claromentis	Claromentis	8.2.2

Related Weaknesses (CWE)

CWE-79

References

https://seclists.org/fulldisclosure/2018/Oct/12ExploitMailing ListThird Party Advisory
https://seclists.org/fulldisclosure/2018/Oct/12ExploitMailing ListThird Party Advisory

FAQ

What is CVE-2018-15903?

CVE-2018-15903 is a vulnerability with a CVSS score of 5.4 (MEDIUM). The Discuss v1.2.1 module in Claromentis 8.2.2 is vulnerable to stored Cross Site Scripting (XSS). An authenticated attacker will be able to place malicious JavaScript in the discussion forum, which i...

How severe is CVE-2018-15903?

CVE-2018-15903 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-15903?

Check the references section above for vendor advisories and patch information. Affected products include: Claromentis Claromentis.