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CVE-2026-21448 — Vulnerability in bagisto/bagisto — CVE Details

HIGH

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

Published January 2, 2026Updated February 3, 2026Source: osv

Summary

### 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

Advisory Timeline

  • First published January 2, 2026 (283 days ago).
  • Last revised February 3, 2026 — 31 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Composer
Update bagisto/bagisto to 2.3.10 or later
composer require "bagisto/bagisto:^2.3.10"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
bagisto/bagisto
packagist
v0.1.0, v0.1.1, v0.1.2, v0.1.3 (+62 more)2.3.10

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2026-21448?
Bagisto has Normal & Blind SSTI from low-privilege user when ordering product This vulnerability has been assigned a severity rating of HIGH (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2026-21448?
CVE-2026-21448 affects bagisto/bagisto. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-21448 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-5j4h-4f72-qpm6

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