CVE-2021-24334
Instant Images WordPress Plugin < 4.4.0.1 - Authenticated Stored XSS & XFS
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-24334- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Instant Images WordPress Plugin < 4.4.0.1 - Authenticated Stored XSS & XFS
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.
- Record
CVE-2021-24334- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-11247 No score
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.
- Record
EUVD-2021-11247- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wfh8-qv3m-93p3 No score
The Instant Images – One Click Unsplash Uploads WordPress plugin before 4.4.0.1 did not...
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.
- Record
GHSA-wfh8-qv3m-93p3- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24334 is a medium vulnerability (CVSS 5.4) in Unknown Instant Images – One Click Unsplash Uploads, published June 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.66%, the 51st percentile. No source names a fixed version.
References
wpscan.com/vulnerability/ae79189a-6b63-4110-9567-cd7c97d71e4f
m0ze.ru/vulnerability/%5B2021-04-22%5D-%5BWordPress%5D-%5BCWE-79%5D-Instant-Images-WordPress-Plugin-v4.4.0.txt
nvd.nist.gov/vuln/detail/CVE-2021-24334
github.com/advisories/GHSA-wfh8-qv3m-93p3