CVE-2021-39136

Cross-site scripting vulnerability in file upload

Description

baserCMS is an open source content management system with a focus on Japanese language support. In affected versions there is a cross-site scripting vulnerability in the file upload function of the management system of baserCMS. Users are advised to update as soon as possible. No workaround are available to mitigate this issue.

Category

8.7
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.66%
Vendor Advisory basercms.net
Affected: baserproject basercms
Published at:
Updated at:

References

Link Tags
https://github.com/baserproject/basercms/security/advisories/GHSA-hgjr-632x-qpp3 third party advisory
https://github.com/baserproject/basercms/commit/568d4cab5ba1cdee7bbf0133c676d02a98f6d7bc third party advisory patch
https://basercms.net/security/JVN_14134801 vendor advisory
http://jvn.jp/en/jp/JVN14134801/index.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-39136?
CVE-2021-39136 has been scored as a high severity vulnerability.
How to fix CVE-2021-39136?
To fix CVE-2021-39136, 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-2021-39136 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-39136 is being actively exploited. 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-2021-39136?
CVE-2021-39136 affects baserproject basercms.
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