CVE-2025-47642CWE-434

WordPress Ajar in5 Embed plugin <= 3.1.5 - Arbitrary File Upload Vulnerability

Critical · published May 23, 2025

CVSS v3.1
10.0
EPSS
0%
Percentile
37.8
In the wild
Unconfirmed
What it is

🚨 A devastating flaw lets anyone upload a web shell to your server without breaking a sweat! 🔥 Think of it as a delivery person being allowed to drop off anything at your front door, even if it's a ticking time bomb! This unrestricted upload vulnerability in the Ajar in5 Embed component lets attackers slip dangerous files directly onto your web server, bypassing necessary checks entirely. If exploited, an attacker could gain full control over your server, allowing them to execute commands, steal sensitive data, or serve malicious content to unsuspecting users. This could lead to catastrophic breaches and massive reputational damage. You definitely don't want to end up on the evening news for this one!

Put simply

Think of it as a delivery person being allowed to drop off anything at your front door, even if it's a ticking time bomb! This unrestricted upload vulnerability in the Ajar in5 Embed component lets attackers slip dangerous files directly onto your web server, bypassing necessary checks entirely. This vulnerability allows an attacker to upload files of dangerous types, such as web shells, to the Ajar in5 Embed component, specifically in versions less than or equal to 3.1.5, without proper validation or authentication checks.

What to do

If exploited, an attacker could gain full control over your server, allowing them to execute commands, steal sensitive data, or serve malicious content to unsuspecting users. This could lead to catastrophic breaches and massive reputational damage. You definitely don't want to end up on the evening news for this one! To protect yourself, upgrade Ajar in5 Embed to the latest version immediately. Implement strict file type validation to ensure that only safe file types can be uploaded. Additionally, consider blocking file uploads altogether if they are not essential for your application. You've got this! Take these steps now, and you'll keep your server safe and sound. 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00447 · 37.8th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2025-05-23T12:43Z
EPSS history
Timeline
  • 23 MAY 12:43Z
    WordPress Ajar in5 Embed plugin <= 3.1.5 - Arbitrary File Upload Vulnerability
    cvelistv5