CVE-2026-128051 json
OpenMage magento-lts before 20.18.2 Stored XSS via Product Name in MSRP Popup
published 19d ago modified yesterday also EUVD-2026-125058 , GHSA-hfqq-c3qm-38x8
Unreviewed: the maintainers' own advisory
Published by the maintainers on their GitHub repository OpenMage/magento-lts. GitHub has not reviewed it into the GitHub Advisory Database, so the affected packages and versions are the maintainers' word. Read the full advisory on GitHub.
- cvss
- 3.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 20%
- public exploits
- 0
- none known
Summary
OpenMage magento-lts before 20.18.2 and 21.0.0-beta1 before 21.0.0-beta3 contains a stored cross-site scripting vulnerability because storefront MSRP/MAP popup and Qty Increments notice templates output product names without proper escaping. Attackers with admin product-edit rights can store a malicious product name that executes script when shoppers view product, category, or wishlist pages.
Patch / fix
- OpenMage magento-lts 20.18.2, 21.0.0-beta3
Is CVE-2026-128051 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- yesterday
Exploit prediction
0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-14).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 4.8 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 3.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N |
| CNA | 4.0 | 4.8 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/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 |
Affected products
- OpenMage magento-lts
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/OpenMage/magento-lts/commit/64ff7fce3db72cad83e41131bdf48c42ba2ad2f2
patch
-
github.com
/OpenMage/magento-lts/commit/2437b01af99279aa1c6ca5c19f919449b38a5a66
patch
-
github.com
/OpenMage/magento-lts/security/advisories/GHSA-hfqq-c3qm-38x8
vendor-advisory, advisory
-
vulncheck.com
/advisories/openmage-magento-lts-before-20.18.2-stored-xss-via-product-name-in-msrp-popup
third-party-advisory
Sources
- CVE List CVE-2026-128051
- NVD CVE-2026-128051
- Maintainer advisory GHSA-hfqq-c3qm-38x8
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
The maintainers of OpenMage/magento-lts published their own advisory on GitHub. Reviewed sources take precedence over it.