What is the CVSS score of EUVD-2026-23112?

EUVD-2026-23112 has a CVSS 4.0 base score of 5.1 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N. EPSS exploitation probability: 0.0%.

Pega Infinity EUVD-2026-23112

| CVE-2026-1564 MEDIUM

Basic XSS (CWE-80)

2026-04-15 Pega

GHSA-hm98-22vr-c62v

XSS Pega Infinity Pegasystems

5.1

CVSS 4.0 · Vendor: Pega

View

Vulnerability Assessment

Weakness

CWE

CWE-80

OWASP Top 10:2025

A05:2025 - Injection

ASVS 5.0

V1 - Encoding and Sanitization HTML tag escaping

MITRE ATT&CK

1 technique across 1 tactic: Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 27, 2026

HTML injection in Pega Platform 8.1.0 through 25.1.1 allows an authenticated high-privileged user with developer role to inject malicious HTML into a user interface component. This could enable cross-site scripting attacks against other users or content manipulation, but exploitation requires

Affected VersionsENISA

Pega Infinity 8.1.0 <Infinity 25.1.2

Affected Packages

euvd pega_infinity_8_1_0_infinity no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (Pega) PRIMARY 5.1 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Pega) · only source for this CVE.

CVSS VectorVendor: Pega

Attack Vector

Network

Attack Complexity

Low

Attack Requirements

None

Privileges Required

High

User Interaction

None

Vulnerable system: Confidentiality

Low

Vulnerable system: Integrity

Low

Vulnerable system: Availability

None

Subsequent system: Confidentiality

None

Subsequent system: Integrity

None

Subsequent system: Availability

None

DescriptionCVE.org

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.

Threat Intelligence Overview

EPSS Score

0.0%

Top 87% exploitable

Social Media

Sightings

Data Quality

6 sources

Confidence: High

EUVD

NVD

CVE.org

EPSS

Vulnrichment CIRCL

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.