CVE-2024-8761: share this image Open Redirect — Fix

Description

The Share This Image plugin for WordPress is vulnerable to Open Redirect in all versions up to, and including, 2.03. This is due to insufficient validation on the redirect url supplied via the link parameter. This makes it possible for unauthenticated attackers to redirect users to potentially malicious sites if they can successfully trick them into performing an action.

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CVSS v3.1 Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-601 CWE-601

Affected Products

Vendor	Product	Versions
wp-unit	share_this_image	< 2.04

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset/3152564/

Other References

https://plugins.trac.wordpress.org/browser/share-this-image/tags/2.03/assets/js/sti.js#L693 https://plugins.trac.wordpress.org/browser/share-this-image/tags/2.03/includes/class-sti-shortlink.php#L64 https://plugins.trac.wordpress.org/browser/share-this-image/tags/2.03/includes/class-sti-shortlink.php#L74 https://wordpress.org/plugins/share-this-image/#developers https://www.wordfence.com/threat-intel/vulnerabilities/id/1e72d5c7-c601-4775-a825-4786bbd1b5f0?source=cve

Frequently Asked Questions

What is CVE-2024-8761? +

The Share This Image plugin for WordPress is vulnerable to Open Redirect in all versions up to, and including, 2.03. This is due to insufficient validation on the redirect url supplied via the link parameter. This makes it possible for unauthenticated attackers to redirect users to potentially malicious sites if they can successfully trick them into performing an action. It has a CVSS v3.1 base score of 7.2 (HIGH).

How severe is CVE-2024-8761? +

CVE-2024-8761 has a CVSS v3.1 score of 7.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-8761? +

CVE-2024-8761 affects products from wp-unit, specifically: share_this_image. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-8761? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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