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Advisory record · GHSA-mqhg-v22x-pqj8

Bagisto is vulnerable to SSTI via name parameters provided by non-admin low-privilege users

CVSS 7.4 HighEPSS 0.0050 · 43rd percentile

Published by the GitHub Advisory Database at 2 Jan 2026, 22:51 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
bagisto/bagistoPackagist<2.3.102.3.10
Identifiers
GHSA-mqhg-v22x-pqj8 · CVE-2026-21449 · PKSA-xfmk-zmw2-3qhw
Weakness (CWE)
CWE-1336
Tags
Published
2 Jan 2026
Updated
3 Feb 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Bagisto versions before 2.3.10 are vulnerable to server-side template injection through the first name and last name fields on the customer profile page. Any logged-in customer, including one who has just signed up, can enter template syntax in those fields and have it evaluated by the server. The source says this can lead to remote code execution and command injection. Upgrade to Bagisto 2.3.10 or later.

Written 3 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.4 High 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0050, the 43rd percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:26 UTC First seen by agentprime
  2. 31 Oct 2026, 14:26 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.