What is CVE-2021-24334?

CVE-2021-24334 is a medium-severity vulnerability in Connekthq Instant Images - One Click Unsplash Uploads, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-06-01.

How severe is CVE-2021-24334?

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

Is CVE-2021-24334 known to be exploited?

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

XSS in Connekthq Instant Images - One Click Unsplash Uploads

CVE-2021-24334

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (47.8th 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

Connekthq Instant_images_-_one_click_unsplash_uploads
Unknown Instant Images – One Click Unsplash Uploads — versions 4.4.0.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

contact@wpscan.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
contact@wpscan.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-24334?: CVE-2021-24334 is a medium-severity vulnerability in Connekthq Instant Images - One Click Unsplash Uploads, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-06-01.
How severe is CVE-2021-24334?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-24334 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.