CVE-2024-10855: sirv — Fix

Description

The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to unauthorized modification of data that can lead to a denial of service due to insufficient validation on the filename parameter of the sirv_upload_file_by_chunks() function and lack of in all versions up to, and including, 7.3.0. This makes it possible for authenticated attackers, with Contributor-level access and above, to delete arbitrary option values on the WordPress site. This can be leveraged to delete an option that would create an error on the site and deny service to legitimate users.

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CVSS v3.1 Score

8.1

HIGH

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

Weakness Type (CWE)

CWE-639 CWE-639

Affected Products

Vendor	Product	Versions
sirv	sirv	< 7.3.1

References

Advisories & Patches

https://plugins.trac.wordpress.org/browser/sirv/tags/7.2.8/sirv.php#L4691

Other References

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3186406%40sirv&new=3186406%40sirv&sfp_email=&sfph_mail= https://www.wordfence.com/threat-intel/vulnerabilities/id/d6ec09e5-4994-4d23-bf8e-26b64d5303fa?source=cve

Frequently Asked Questions

What is CVE-2024-10855? +

The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to unauthorized modification of data that can lead to a denial of service due to insufficient validation on the filename parameter of the sirv_upload_file_by_chunks() function and lack of in all versions up to, and including, 7.3.0. This makes it possible for authenticated attackers, with Contributor-level access and above, to delete arbitrary option values on the WordPress site. This can be leveraged to delete an option that would create an error on the site and deny service to legitimate users. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2024-10855? +

CVE-2024-10855 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-10855? +

CVE-2024-10855 affects products from sirv, specifically: sirv. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-10855? +

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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