CVE-2018-15903

Public Exploit

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.59%
Third-Party Advisory seclists.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://seclists.org/fulldisclosure/2018/Oct/12 mailing list exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-15903?
CVE-2018-15903 has been scored as a medium severity vulnerability.
How to fix CVE-2018-15903?
To fix CVE-2018-15903, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-15903 being actively exploited in the wild?
It is possible that CVE-2018-15903 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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