Vulnerability · Published Oct 18, 2020 · Assigned by mitre
CVE-2020-13893
Medium 5.4
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)0.5%top 54.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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).
Affected products (as reported)
References
- https://www.sage.com/en-sg/products/sage-easypay/ x_refsource_MISC
- https://gist.github.com/picar0jsu/4532a6d15e8f8d7597b7dca5136ad655 x_refsource_MISC