offensive-security-writeups

Offensive Security Write-ups from the CTF challenges tackled...

caido v0.58.3

Website • Dashboard • Docs • Roadmap • Branding • Discord 👋 Welcome Welcome to Caido! Caido aims to help security professionals and enthusiasts audit web applications with efficiency and ease. Here you can get involved with the development of our software. You can learn about upcoming Caido...

owtf v2.7.0

Offensive Web Testing Framework OWTF OWASP OWTF helps penetration testers stay efficient and aligned with security standards such as the OWASP Web Security Testing Guide, the OWASP Top 10, PTES, and NIST so that they have more time to: See the big picture and think outside the box. Efficiently...

CVE-2026-79070

A flaw was found in Google Chrome. Incorrect reference resolution within the browser's cache allows a remote attacker to bypass the web origin policy. This can be achieved by enticing a user to visit a specially crafted HTML page, potentially leading to unauthorized access to sensitive informatio...

DEBIAN-CVE-2026-79141

Incorrect authorization in Browser in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. Chromium security severity: Medium...

DEBIAN-CVE-2026-78979

Race condition in Core in Google Chrome on on Windows prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. Chromium security severity: Low...

CVE-2026-79262

Incorrect authorization in Network in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. Chromium security severity: Medium...

EUVD-2026-65796

Information leak in Paint in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. Chromium security severity: High...

PT-2026-81593

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 152.0.7977.65 Description An information leak in Canvas allows a remote attacker to bypass the web origin policy, which is a security mechanism that restricts how a document or script loaded from one origin can...

PT-2026-81612

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 152.0.7977.65 Description A race condition in the Autofill component allows a remote attacker who has already compromised the renderer process to bypass the web origin policy. This is achieved by using a special...

PT-2026-78949

HCL IntelliOps Event Management IEM is affected by missing or insecure Cross-Origin Security headers. This issue makes the application's environment and resources susceptible to unauthorized external interaction and potential exploitation...

CVE-2026-74934

Site isolation issue in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-57105 Microsoft Office SharePoint Spoofing Vulnerability

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Exploit for CVE-2026-64638

XSS2Shell — CVE-2026-64638 PoC WordPress Pre-Auth XSS → RCE e...

DEBIAN-CVE-2026-50159

Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Prior to 10.9.8 and 11.16.1, Mermaid is vulnerable to CSS injection via sibling combinator selectors generated from diagram-supplied class or id names. An attacker who can supply diagram text c...

EUVD-2026-54178

PILOS Platform for Interactive Live-Online Seminars is a frontend for BigBlueButton. From 2.1.0 until 4.14.1, PILOS does not send a Cross-Origin-Opener-Policy response header, so pages opened by PILOS via a link that opens a new browsing context e.g., target="blank" retain a window.opener referen...

Arbitrary Code Injection

Overview org.webjars.npm:mermaid is a package for generation of diagrams and flowcharts from text in a similar manner as markdown. Affected versions of this package are vulnerable to Arbitrary Code Injection via the CSS namespacing process. An attacker can manipulate the appearance or behavior of...

Security Bulletin: Cyber Fraud includes components with multiple known vulnerabilities

Summary Cyber Fraud includes components with known vulnerabilities. These have been addressed in the update. Vulnerability Details CVEID:CVE-2026-59887 DESCRIPTION: linkify-it is a links recognition library with full Unicode support. Prior to 5.0.2, the mailto: schema validator used by .test and...

CVE-2026-71270 Stirling-PDF Server-Side Request Forgery via /api/v1/convert/url/pdf WeasyPrint Subprocess

Stirling-PDF's POST /api/v1/convert/url/pdf endpoint ConvertWebsiteToPDF.java was not updated with the CustomHtmlSanitizer/SsrfProtectionService SSRF protections that were added to three sibling conversion endpoints html/pdf, file/pdf, markdown/pdf...

GHSA-6VH2-WG4H-4VWJ Flowise: Unauthenticated Property Injection into Flow Execution Context via Ungated `overrideConfig` Spread in Prediction API

Summary The POST /api/v1/prediction/:id endpoint — which is unauthenticated whitelisted in WHITELISTURLS — accepts an overrideConfig object in the request body. This object is unconditionally spread into the internal flowConfig and flowData objects at two locations in the codebase without checkin...