How severe is CVE-2021-24334?

CVE-2021-24334 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-24334 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24334?

CVE-2021-24334 affects Connekthq Instant Images - One Click Unsplash Uploads. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24334?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-24334 published?

CVE-2021-24334 was published on 2021-06-01 and last updated on 2026-06-17.

CVE-2021-24334

CVE-2021-24334 is a medium-severity vulnerability in Connekthq Instant Images - One Click Unsplash Uploads with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Connekthq Instant Images - One Click Unsplash Uploads
Published: 2021-06-01
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-24334?: CVE-2021-24334 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24334 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24334?: CVE-2021-24334 affects Connekthq Instant Images - One Click Unsplash Uploads. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24334?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24334 published?: CVE-2021-24334 was published on 2021-06-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:connekthq:instant_images_-_one_click_unsplash_uploads:*:*:*:*:*:wordpress:*:*

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