CVE-2021-24423

Public Exploit
UpdraftPlus < 1.16.59 - Admin+ Stored Cross-Site Scripting

Description

The UpdraftPlus WordPress Backup Plugin WordPress plugin before 1.6.59 does not sanitise its updraft_service settings, allowing high privilege users to set malicious JavaScript payload in it and leading to a Stored Cross-Site Scripting issue

Category

4.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.19%
Third-Party Advisory wpscan.com
Affected: Unknown UpdraftPlus WordPress Backup Plugin
Published at:
Updated at:

References

Link Tags
https://wpscan.com/vulnerability/541974d6-2df8-4497-9aee-afd3b9024102 third party advisory exploit
https://m0ze.ru/vulnerability/%5B2021-05-09%5D-%5BWordPress%5D-%5BCWE-79%5D-UpdraftPlus-WordPress-Plugin-v1.16.56.txt

Frequently Asked Questions

What is the severity of CVE-2021-24423?
CVE-2021-24423 has been scored as a medium severity vulnerability.
How to fix CVE-2021-24423?
To fix CVE-2021-24423, 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-2021-24423 being actively exploited in the wild?
It is possible that CVE-2021-24423 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-2021-24423?
CVE-2021-24423 affects Unknown UpdraftPlus WordPress Backup Plugin.
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