Links submitted by the Threat Radar community and AI curated for defenders.

Community Curated

CVE Database V5

Real-world exploitation and exposure telemetry from the OffSeq Mirage honeypot fleet and Sonar internet scans — which CVEs attackers are actually exploiting and which are exposed in the wild, plus attacker IoCs. All IPs are masked; no raw victim or sensor identity is ever published.

OffSeq Mirage

AlienVault OTX General

Bleeping Computer

SANS ISC Handlers Diary

SecurityWeek

Threatpost

Reddit ExploitDev

Latest exploits, shellcode, and vulnerability proofs-of-concept from Exploit-DB

Exploit-DB RSS Feed

Reddit ThreatIntel

Reddit BlueTeam

Reddit Reverse Engineering

Reddit Malware

Reddit Cybersecurity

Reddit NetSec

ThreatFox MISP Feed

CIRCL OSINT Feed

NCSC UK

JVN Japan

GCP Compute Engine Security

GCP Kubernetes Security

AWS Security Bulletins

CERT/CC

Tenable Research

Google Project Zero

Microsoft Security Blog

Zero Day Initiative

Cisco Talos

Palo Alto Unit 42

Krebs on Security

Kaspersky Security Blog

Check Point Research

GCVE Database

Reddit InfoSec News

The Hacker News

Dark Reading

AlienVault OTX Vulnerabilities

AlienVault OTX Malware

checkmk

Stored cross-site scripting (XSS) in Checkmk version 2.5.0 (beta) before 2.5.0b2 allows authenticated users with permission to create pending changes to inject malicious JavaScript into the Pending Changes sidebar, which will execute in the browsers of other users viewing the sidebar.

CVE-2026-20915 is a stored cross-site scripting (XSS) vulnerability identified in Checkmk version 2.5.0 beta 1, a popular IT infrastructure monitoring solution developed by Checkmk GmbH. The vulnerability arises from improper neutralization of input during web page generation (CWE-79), specifically in the Pending Changes sidebar feature. Authenticated users who have permission to create pending changes can inject malicious JavaScript code into this sidebar. When other users view the Pending Changes sidebar, the injected script executes in their browsers, potentially allowing attackers to hijack user sessions, steal sensitive information, or perform actions on behalf of the victim users. The vulnerability requires the attacker to be authenticated with the ability to create pending changes, which is a privileged action but does not require full administrative rights. The CVSS 4.0 vector indicates network attack vector (AV:N), low attack complexity (AC:L), no privileges required (PR:H means high privileges but here it is a permission to create pending changes), and user interaction required (UI:P). The impact on confidentiality, integrity, and availability is high, as the XSS can lead to session hijacking, data theft, or manipulation of monitoring data. No public exploits are known yet, but the vulnerability is publicly disclosed and rated with a CVSS score of 8.5, indicating a serious threat. No official patches were linked at the time of disclosure, so mitigation relies on access control and monitoring until updates are available.

Detailed information about CVE-2026-20915: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Checkmk GmbH Checkmk 

CVE-2026-20915: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Checkmk GmbH Checkmk - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-20915: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Checkmk GmbH Checkmk

Threats Tagged 'cve-2026-20915'

Stop chasing alerts. Route them.

Check if your credentials are on the dark web

Filter Threats

Threats Tagged 'cve-2026-20915'

Lead Pen Test Professional