Magento LTS: Reflected XSS - Import -> Data Flow (profiles)
Priority MEDIUM 57CWE-87Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.
Summary
Magento Long Term Support (LTS) is an unofficial, community-driven project provides an alternative to the Magento Community Edition e-commerce platform with a high level of backward compatibility. Prior to 20.18.0, there is a reflected XSS vulnerability under admin panel -> System -> Import/Export -> Dataflow - Profiles. This vulnerability is fixed in 20.18.0.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0032 25th percentileScored 2026-11-07
Fix Fixed magento-lts (OpenMage): 20.18.0openmage/magento-lts (Packagist): 20.18.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OpenMage | magento-lts | before 20.18.0 | 20.18.0 | Patch available | CNA |
| — | openmage/magento-lts (Packagist) | before 20.18.0 | 20.18.0 | Patch available | GHSA-x8jv-q8j2-487c |
- magento-lts VendorOpenMage Affected before 20.18.0 Fixed in 20.18.0 Patch available CNA
- openmage/magento-lts (Packagist) Vendor— Affected before 20.18.0 Fixed in 20.18.0 Patch available GHSA-x8jv-q8j2-487c
Remediation
- Fix · CNA magento-lts (OpenMage) Fixed in 20.18.0
- Fix · GHSA-x8jv-q8j2-487c openmage/magento-lts (Packagist) Fixed in 20.18.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-42458
- 2026-10-03 Alias added: GHSA-x8jv-q8j2-487c
References
More OpenMage vulnerabilities
- TI-2026-30484 Magento LTS: Weak API Session ID — Predictable MD5 of Time-Derived Inputs CVSS 4.0CRITICAL 9.3
- TI-2026-20633 OpenMage LTS's Phar Deserialization leads to Remote Code Execution CVSS 3.1HIGH 8.1
- TI-2026-29239 OpenMage LTS has Customer File Upload Extension Blocklist Bypass that Leads to Remote Code Execution CVSS 4.0HIGH 8.7
- TI-2023-22272 Magento LTS's guest order "protect code" can be brute-forced too easily CVSS 3.1HIGH 7.5
- TI-2026-30528 Magento LTS: Open Redirect via Unvalidated `uenc` Parameter in `stockAction()` - magento-lts CVSS 3.1MEDIUM 6.1
- TI-2026-28925 Missing authorization in OpenMage magento-lts CVSS 4.0MEDIUM 5.3
Sources
- CVE-2026-42458 · CVE Program
- CVE-2026-42458 · NVD
- FIRST EPSS
- GHSA-x8jv-q8j2-487c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences