CVE-2020-11083

Public Exploit
Stored XSS in October

Description

In October from version 1.0.319 and before version 1.0.466, a user with access to a markdown FormWidget that stores data persistently could create a stored XSS attack against themselves and any other users with access to the generated HTML from the field. This has been fixed in 1.0.466. For users of the RainLab.Blog plugin, this has also been fixed in 1.4.1.

Category

3.5
CVSS
Severity: Low
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.43%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory seclists.org Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: October CMS October
Published at:
Updated at:

References

Link Tags
https://github.com/octobercms/october/security/advisories/GHSA-w4pj-7p68-3vgv third party advisory patch
https://github.com/octobercms/october/commit/9ecfb4867baae14a0d3f99f5b5c1e8a979ae8746 third party advisory patch
https://github.com/rainlab/blog-plugin/commit/6ae19a6e16ef3ba730692bc899851342c858bb94 third party advisory patch
http://packetstormsecurity.com/files/158730/October-CMS-Build-465-XSS-File-Read-File-Deletion-CSV-Injection.html third party advisory vdb entry exploit
http://seclists.org/fulldisclosure/2020/Aug/2 mailing list third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-11083?
CVE-2020-11083 has been scored as a low severity vulnerability.
How to fix CVE-2020-11083?
To fix CVE-2020-11083, 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-2020-11083 being actively exploited in the wild?
It is possible that CVE-2020-11083 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-11083?
CVE-2020-11083 affects October CMS October.
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