🛡️ CVE-2026-21448 — bagisto

🔴 CVSS 9.8 — Critical ⚠️ Exploit Public CWE-1336 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Bagisto has Normal & Blind SSTI from low-privilege user when ordering product

Summary

SSTI when normal customer orders any product in add address step can inject value run in admin view.

Details

As normal user

1. Go to http://127.0.0.1:8000/

2. Add order to cart and continue to checkout

3. In step of add address inject this value {{7*7}} in any input

As admin

1. Go to http://127.0.0.1:8000/admin/sales/orders

2. And notice the vlaue appear in admin view 49

As normal user

3. Go to add address normally http://127.0.0.1:8000/customer/account/addresses/create and inject {{7*7}} on it and will notice it appear 49

<img width="1868" height="868" alt="image" src="https://github.com/user-attachments/assets/279627e9-6361-4d39-a500-0fc20e163d25" />

PoC

  • Video attached with the report: https://github.com/user-attachments/assets/a814b30c-a3e2-4a40-8644-336e21e60d0d

Impact

  • Can lead to RCE

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Affected software

CVE-2026-21448 is recorded against 2 packages.

  • bagisto (fixed in 2.3.10)
  • bagisto/bagisto (fixed in 2.3.10)

Timeline and source

Published on 2 January 2026 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-1336
Public Exploit ⚠️ Yes
Source NVD
Published 2026-01-02
Updated 2026-08-12
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
bagisto — 2.3.10
bagisto/bagisto — 2.3.10

Similar Threats

Exploit Protection

Are you running bagisto?

CVE-2026-21448 carries CVSS 9.8 Critical rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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