Medium severity5.4NVD Advisory· Published Oct 18, 2020· Updated Jun 17, 2026
CVE-2020-13893
CVE-2020-13893
Description
Multiple stored cross-site scripting (XSS) vulnerabilities in Sage EasyPay 10.7.5.10 allow authenticated attackers to inject arbitrary web script or HTML via multiple parameters through Unicode Transformations (Best-fit Mapping), as demonstrated by the full-width variants of the less-than sign (%EF%BC%9C) and greater-than sign (%EF%BC%9E).
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Affected products
3- Sage/EasyPaydescription
Patches
Vulnerability mechanics
References
2- gist.github.com/picar0jsu/4532a6d15e8f8d7597b7dca5136ad655nvdThird Party Advisory
- www.sage.com/en-sg/products/sage-easypay/nvdProductVendor Advisory
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