4.7
MEDIUM CVSS 3.1
CVE-2026-128029
OpenMage magento-lts before 20.18.2 Stored XSS via Dataflow Import Row Errors
Description

OpenMage magento-lts before 20.18.2 and 21.0.0-beta1 before 21.0.0-beta3 contains a stored cross-site scripting vulnerability in the Dataflow profile run page, which inserts catalog product import row errors into the page without escaping. Unauthenticated attackers can place markup in the store, type, or attribute_set columns of an import file to run script in the session of the administrator who imports it.

INFO

Published Date :

Nov. 13, 2026, 10:18 a.m.

Last Modified :

Nov. 13, 2026, 10:18 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-128029 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Openmage magento
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 MEDIUM MITRE-CVE
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 LOW 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 LOW [email protected]
Solution
Update OpenMage Magento-LTS to version 20.18.2 or 21.0.0-beta3 or later.
  • Update OpenMage Magento-LTS to a fixed version.
  • Apply vendor patches if available.
  • Sanitize all user-supplied input.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-128029 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-128029 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-128029 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-128029 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Nov. 13, 2026

    Action Type Old Value New Value
    Added Description OpenMage magento-lts before 20.18.2 and 21.0.0-beta1 before 21.0.0-beta3 contains a stored cross-site scripting vulnerability in the Dataflow profile run page, which inserts catalog product import row errors into the page without escaping. Unauthenticated attackers can place markup in the store, type, or attribute_set columns of an import file to run script in the session of the administrator who imports it.
    Added CVSS V4.0 AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
    Added CWE CWE-79
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/128xxx/CVE-2026-128029.json">CVE-2026-128029</a>
    Added Reference https://github.com/OpenMage/magento-lts/commit/d10314ddda9a6081bc27370b463b5f77c2e499de
    Added Reference https://github.com/OpenMage/magento-lts/security/advisories/GHSA-28hq-mq6h-fh2x
    Added Reference https://www.vulncheck.com/advisories/openmage-magento-lts-before-20.18.2-stored-xss-via-dataflow-import-row-errors
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.