CVE-2020-13893

5.4 mediumEPSS 0.5%

Medium (5.4) in sage easypay. EPSS 0.5% chance of exploitation in the next 30 days.

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).

Severity

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2020-10-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

sage:easypay

References

https://gist.github.com/picar0jsu/4532a6d15e8f8d7597b7dca5136ad655
https://www.sage.com/en-sg/products/sage-easypay/
https://gist.github.com/picar0jsu/4532a6d15e8f8d7597b7dca5136ad655
https://www.sage.com/en-sg/products/sage-easypay/

Check your stack JSON