What is CVE-2021-33851?

CVE-2021-33851 is a medium-severity vulnerability in Apasionados Customize Login Image, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-03-10.

How severe is CVE-2021-33851?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2021-33851 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Apasionados Customize Login Image

CVE-2021-33851

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.013 (67.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Apasionados Customize_login_image — versions 3.4
N/a Wordpress Customize Login Image Plugin — versions Version 3.4

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ARPSyndicate/kenzer-templates

References

disclose@cybersecurityworks.com (Exploit, Third Party Advisory, x_refsource_MISC, Mitigation)

Frequently asked questions

What is CVE-2021-33851?: CVE-2021-33851 is a medium-severity vulnerability in Apasionados Customize Login Image, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-03-10.
How severe is CVE-2021-33851?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-33851 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.