CVE-2026-1563

Analyzed Analyzed - Analysis Complete

Reflected XSS in Pega Platform

Publication date: 2026-07-15

Last updated on: 2026-07-21

Assigner: Pegasystems Inc.

Description

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.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-15

Last Modified

2026-07-21

Generated

2026-08-05

AI Q&A

2026-07-16

EPSS Evaluated

2026-08-03

NVD

CVE-2026-1563

EUVD

EUVD-2026-44727

Affected Vendors & Products

Vendor	Product	Version / Range
pega	pega_platform	From 25.1.0 (inc) to 25.1.3 (exc)
pega	pega_platform	From 8.1 (inc) to 24.2.4 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

CVE-2026-1563 is a Reflected Cross-site Scripting (XSS) vulnerability in Pega Platform versions 8.1.0 through 25.1.2. It requires a high privileged user with a developer role to exploit. The vulnerability exists in a user interface component.

Detection Guidance

Detection involves checking for XSS vulnerabilities in Pega Platform versions 8.1.0 through 25.1.2. Review web application logs for suspicious input patterns or script tags. Use tools like OWASP ZAP or Burp Suite to scan for reflected XSS. Verify user roles to confirm only high-privileged users can trigger the issue.

Impact Analysis

An attacker with developer or admin access could inject malicious scripts into web pages viewed by users. This could lead to unauthorized actions, data theft, or session hijacking if exploited.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, potentially violating GDPR (data protection) or HIPAA (health data privacy) requirements. Organizations must address it to maintain compliance.

Mitigation Strategies

Apply the latest hotfixes or patch updates for versions 24.2.4, 25.1.3, or hotfixes for 23.1.5, 24.1.4, and 25.1.2. For Pega Cloud clients, updates are applied automatically. On-premises clients should download hotfixes from My Security Hotfixes on My Pega. Ensure no unnecessary developer or admin roles have access.

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