Amasty Order Attributes for Magento 2 before version 4.0.0 contains an unauthenticated arbitrary file upload vulnerability that allows unauthenticated attackers to write arbitrary files to the store's media directory by submitting files of any type or name to the upload endpoint without authentication, session validation, or cart context. Attackers can upload PHP files to achieve remote code execution on servers where the media directory permits PHP execution, or alternatively enable malware hosting, stored cross-site scripting via HTML or SVG uploads, and path traversal to write files outside the intended upload directory.
CVE-2026-53787
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-12. the CNA's CVSS baseline 9.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(high)
- EPSS
- 90.5%
- KEV
- Not listed
Published
June 12, 2026
Last Modified
June 13, 2026
Advisory Details (3)
Auto-updated Jun 20, 2026Amasty Order Attributes for Magento 2 < 4.0.0 Unauthenticated Arbitrary File Upload | Advisories | VulnCheck
https://www.vulncheck.com/advisories/amasty-order-attributes-for-magento-2-unauthenticated-arbitrary-file-uploadMagento 2 Order Attributes | Magento 2 Add Custom Order Attribute Programmatically
https://amasty.com/order-attributes-for-magento-2.htmlUnauthenticated file upload in Amasty Order Attributes for Magento | Sansec
https://sansec.io/research/amasty-order-attributes-file-uploadVendor Advisories for CVE-2026-53787(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 70× in last 7d / 289× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 289 total refreshes for this CVE.
- 2026-07-07 05:51 UTCEG score recompute
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- 2026-07-04 15:24 UTCGHSA enrichment
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- 2026-07-01 10:47 UTCEG score recompute
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- 2026-06-29 23:35 UTCEG score recompute
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- 2026-06-29 14:59 UTCGHSA enrichment
- 2026-06-29 14:06 UTCEPSS rescore
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- 2026-06-29 10:40 UTCEG score recompute
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- 2026-06-28 02:43 UTCEG score recompute
Publicly available exploits
(1 reference)Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Nucleihttp/cves/2026/CVE-2026-53787.yamlFirst seen Jan 1, 2026
Magento 2 Amasty Order Attributes < 4.0.0 - Unauthenticated Arbitrary File Upload
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-434
Frequently asked(5)
What is CVE-2026-53787?
When was CVE-2026-53787 disclosed?
Is CVE-2026-53787 actively exploited?
What is the CVSS score of CVE-2026-53787?
How do I remediate CVE-2026-53787?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-53787
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