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CVE-2021-24334

Good to know:

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Date: June 1, 2021

The Instant Images – One Click Unsplash Uploads WordPress plugin before 4.4.0.1 did not properly validate and sanitise its unsplash_download_w and unsplash_download_h parameter settings (/wp-admin/upload.php?page=instant-images), only validating them client side before saving them, leading to a Stored Cross-Site Scripting issue.

Language: PHP

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2021-24334
https://wpscan.com/vulnerability/ae79189a-6b63-4110-9567-cd7c97d71e4f
https://m0ze.ru/vulnerability/[2021-04-22]-[WordPress]-[CWE-79]-Instant-Images-WordPress-Plugin-v4.4.0.txt
https://www.mend.io/vulnerability-database/CVE-2021-24334

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

Top Fix

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CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE
Additional information:

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