CVE-2026-31262Public exploitNetwork attack vector

Client-side script execution via unsafe iframe URL

Published Apr 10, 2026 · Updated Apr 10, 2026

Reflected XSS in Altenar Sportsbook Software Platform (SB2) 2.0 allows remote attackers to execute JavaScript via the url parameter. The web application assigns the user-controlled parameter directly to an iframe src without validating data or javascript URI schemes. A victim must follow a crafted link; execution occurs in the victim's browser session and can expose session data or present attacker-controlled content.

CVSS severity6.1
Medium
EPSS probability0.23%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Altenar Sportsbook Software Platform (SB2) 2.0 allows remote attackers to execute JavaScript via the url parameter. The web application assigns the user-controlled parameter directly to an iframe src without validating data or javascript URI schemes. A victim must follow a crafted link; execution occurs in the victim's browser session and can expose session data or present attacker-controlled content.

The record

CVE
CVE-2026-31262
Published
Apr 10, 2026
Updated
Apr 10, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-200, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1204.001Malicious Link

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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