CVE-2018-15903
The Discuss v1.2.1 module in Claromentis 8.2.2 is vulnerable to stored Cross Site Scripting (XSS)...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-15903- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-15903- Updated
- 2026-11-02
EUVDEUVD-2018-7759 No score
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.
- Record
EUVD-2018-7759- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ww8r-p528-8gcq
The Discuss v1.2.1 module in Claromentis 8.2.2 is vulnerable to stored Cross Site Scripting (XSS)...
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.
- Record
GHSA-ww8r-p528-8gcq- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-15903 is a medium vulnerability (CVSS 5.4) in Claromentis, published October 8, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.69%, the 53rd percentile. No source names a fixed version.