What is CVE-2026-1563?

CVE-2026-1563 is a medium-severity vulnerability in Pega Platform, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-07-15.

How severe is CVE-2026-1563?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Pega Platform

CVE-2026-1563

Pega Platform versions 8.1.0 through 25.1.2 are affected by an Reflected Cross-site scripting (XSS) vulnerability in a user interface component. Requires a high privileged user with a developer role.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (15.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Pega Pega_platform
Pegasystems Pega Infinity — versions 8.1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@pega.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-1563?: CVE-2026-1563 is a medium-severity vulnerability in Pega Platform, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-07-15.
How severe is CVE-2026-1563?: Medium severity. CVSS v3 base score is 4.8 out of 10.