Vulnerability · Published Jun 1, 2021 · Assigned by WPScan

CVE-2021-24334Instant Images WordPress Plugin < 4.4.0.1 - Authenticated Stored XSS & XFS

Medium 5.4

In plain English

A medium-severity cross-site scripting in Instant Images – One Click Unsplash Uploads from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).

Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)0.7%top 48.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Unknown Instant Images – One Click Unsplash Uploads 4.4.0.1 – before 4.4.0.1

Weakness: CWE-79

References