CVE-2021-33851

Public Exploit

Description

A cross-site scripting (XSS) attack can cause arbitrary code (JavaScript) to run in a user's browser and can use an application as the vehicle for the attack. The XSS payload given in the "Custom logo link" executes whenever the user opens the Settings Page of the "Customize Login Image" Plugin.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 6.21% Top 10%
Third-Party Advisory cybersecurityworks.com
Affected: n/a WordPress Customize Login Image Plugin
Published at:
Updated at:

References

Link Tags
https://cybersecurityworks.com/zerodays/cve-2021-33851-stored-cross-site-scripting-in-wordpress-customize-login-image.html exploit third party advisory mitigation

Frequently Asked Questions

What is the severity of CVE-2021-33851?
CVE-2021-33851 has been scored as a medium severity vulnerability.
How to fix CVE-2021-33851?
To fix CVE-2021-33851, 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-2021-33851 being actively exploited in the wild?
It is possible that CVE-2021-33851 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-33851?
CVE-2021-33851 affects n/a WordPress Customize Login Image Plugin.
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