CVE-2026-21450CWE-1336

Bagisto has SSTI in parameter that can lead to RCE

High · published January 2, 2026

CVSS v4.0
7.3
EPSS
1%
Percentile
71.8
In the wild
Unconfirmed
What it is

⚡ A sneaky server-side template injection lurks in versions of Bagisto before 2.3.10! This vulnerability could allow attackers to run code on your server just by sending a crafted request. 🚨 Think of it like a sneaky waiter who reads your order but also decides to change the recipe without your approval, potentially ruining the dish! This flaw lets an attacker manipulate the template engine to execute harmful commands on the server. If exploited, an attacker could gain complete control over your server, allowing them to access sensitive information, alter data, or even take the entire system down. It's a high-stakes situation that could lead to devastating financial and reputational damage.

Put simply

Think of it like a sneaky waiter who reads your order but also decides to change the recipe without your approval, potentially ruining the dish! This flaw lets an attacker manipulate the template engine to execute harmful commands on the server. The vulnerability in Bagisto arises from a server-side template injection via the type parameter, allowing attackers to execute arbitrary code on the server, compromising its security.

What to do

If exploited, an attacker could gain complete control over your server, allowing them to access sensitive information, alter data, or even take the entire system down. It's a high-stakes situation that could lead to devastating financial and reputational damage. To protect your eCommerce platform, upgrade Bagisto to version 2.3.10 or later immediately. Additionally, review and sanitize all user inputs to prevent similar vulnerabilities in the future. You've got this! By following these steps, you'll empower your system against threats like this one. 🛡️

The record
Technical detail
CVSS v4.0
7.3 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.01374 · 71.8th percentile
Weakness
CWE-1336 · Improper Neutralization of Special Elements Used in a Template Engine
Published
2026-01-02T20:38Z
EPSS history
Timeline
  • 02 JAN 20:38Z
    Bagisto has SSTI in parameter that can lead to RCE
    cvelistv5