CVE-2021-25968: OpenCMS - Stored Cross-Site Scripting (XSS) in Sitemap
First published: Tue Oct 19 2021(Updated: )
In “OpenCMS”, versions 10.5.0 to 11.0.2 are affected by a stored XSS vulnerability that allows low privileged application users to store malicious scripts in the Sitemap functionality. These scripts are executed in a victim’s browser when they open the page containing the vulnerable field.
Credit: vulnerabilitylab@mend.io
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Alkacon OpenCMS | >=10.5.0<11.0.2 |
Remedy
Update to 12.0
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-25968.
What is the affected software?
The affected software is OpenCMS versions 10.5.0 to 11.0.2.
What is the severity of CVE-2021-25968?
The severity of CVE-2021-25968 is medium with a CVSS score of 5.4.
How does CVE-2021-25968 affect users?
CVE-2021-25968 allows low privileged application users to store malicious scripts in the Sitemap functionality of OpenCMS, which are executed in a victim’s browser when they open the page containing the vulnerable field.
How can I fix CVE-2021-25968?
To fix CVE-2021-25968, it is recommended to update OpenCMS to a version beyond 11.0.2 or apply the necessary patches provided by the vendor.
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