CVE-2020-5298

Public Exploit
Reflected XSS when importing CSV in OctoberCMS

Description

In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, a user with the ability to use the import functionality of the `ImportExportController` behavior can be socially engineered by an attacker to upload a maliciously crafted CSV file which could result in a reflected XSS attack on the user in question Issue has been patched in Build 466 (v1.0.466).

Categories

4.0
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.76% Top 30%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory seclists.org Third-Party Advisory github.com Third-Party Advisory github.com
Affected: octobercms october
Published at:
Updated at:

References

Link Tags
https://github.com/octobercms/october/security/advisories/GHSA-gg6x-xx78-448c third party advisory patch
https://github.com/octobercms/october/commit/cd0b6a791f995d86071a024464c1702efc50f46c third party advisory patch
http://packetstormsecurity.com/files/158730/October-CMS-Build-465-XSS-File-Read-File-Deletion-CSV-Injection.html exploit vdb entry third party advisory
http://seclists.org/fulldisclosure/2020/Aug/2 mailing list exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-5298?
CVE-2020-5298 has been scored as a medium severity vulnerability.
How to fix CVE-2020-5298?
To fix CVE-2020-5298, 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-2020-5298 being actively exploited in the wild?
It is possible that CVE-2020-5298 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.
What software or system is affected by CVE-2020-5298?
CVE-2020-5298 affects octobercms october.
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