VDB-357847 · CVE-2026-1564 · WID-SEC-2026-1140

Pegasystems Pega Infinity up to 25.1.1 User Interface cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
2.3	$0-$5k	1.05

Summaryinfo

A vulnerability was found in Pegasystems Pega Infinity up to 25.1.1. It has been rated as problematic. The affected element is an unknown function of the component User Interface. This manipulation causes cross site scripting. This vulnerability is tracked as CVE-2026-1564. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Pegasystems Pega Infinity up to 25.1.1. It has been declared as problematic. Affected by this vulnerability is an unknown function of the component User Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. As an impact it is known to affect integrity. The summary by CVE is:

Pega Platform versions 8.1.0 through 25.1.1 are affected by an HTML Injection vulnerability in a user interface component. Requires a high privileged user with a developer role.

The weakness was disclosed by Michal Skowron. It is possible to read the advisory at support.pega.com. This vulnerability is known as CVE-2026-1564 since 01/28/2026. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are required for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 25.1.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1140). Be aware that VulDB is the high quality source for vulnerability data.

Affected

Pega Platform

Productinfo

Vendor

Pegasystems

Name

Pega Infinity

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 2.4
VulDB Meta Temp Score: 2.3

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Pega Infinity 25.1.2

Timelineinfo

01/28/2026 CVE reserved
04/16/2026 +77 days Advisory disclosed
04/16/2026 +0 days VulDB entry created
04/17/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: support.pega.com
Researcher: Michal Skowron
Status: Confirmed

CVE: CVE-2026-1564 (🔒)
GCVE (CVE): GCVE-0-2026-1564
GCVE (VulDB): GCVE-100-357847
CERT Bund: WID-SEC-2026-1140 - Pega Platform: Mehrere Schwachstellen

Entryinfo

Created: 04/16/2026 07:12
Updated: 04/17/2026 05:22
Changes: 04/16/2026 07:12 (68), 04/17/2026 05:22 (7)
Complete: 🔍
Cache ID: 216::103