CVE-2024-5853
Sirv remote code execution
- Published19 Jun 2024
Description
The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the sirv_upload_file_by_chanks AJAX action in all versions up to, and including, 7.2.6. This makes it possible for authenticated attackers, with Contributor-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HAffected products
Remediation
References
Related CVEs
Recent high-severity vulnerabilities sharing a weakness type.
Frequently asked
Is CVE-2024-5853 being actively exploited?
CVE-2024-5853 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.79%.
How severe is CVE-2024-5853?
CVE-2024-5853 has a CVSS 3.1 base score of 9.9, rated critical. EPSS estimates a 0.79% probability of exploitation.
Which products are affected by CVE-2024-5853?
Affected products include Sirv.
How do I fix CVE-2024-5853?
Upgrade affected software to a fixed version, for example Sirv 7.2.7 or later, then confirm no affected versions remain in your inventory.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2024-5853 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.