CVE-2021-33851

EPSS 1.3%CWE-79

Vexday Risk Score

18Low

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS —EPSS 1.3%KEV nãoPoC —Nuclei simMetasploit —Patch —

Lifecycle

09 Mar 2022Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

Affected products

n/a · WordPress Customize Login Image Plugin

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References

https://cybersecurityworks.com/zerodays/cve-2021-33851-stored-cross-site-scripting-in-wordpress-customize-login-image.html