CVE-2018-25349

userSpice 4.3.24 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts through the X-Forwarded-For HTTP header. Attackers can send crafted requests to the backup.php endpoint with XSS payloads in the X-Forwarded-For header that execute when administrators...

CVE-2026-2955

The AI Chatbot & Workflow Automation by AIWU plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'X-Forwarded-For' header in versions up to, and including, 1.4.14 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers...

OpenClaw Data Forgery Problem Vulnerability (CNVD-2026-14827)

OpenClaw is an intelligent artificial assistant open-sourced by OpenClaw. OpenClaw suffers from a Data Forgery Issue vulnerability that stems from improperly parsing the X-Forwarded-For header value, which can be exploited by an attacker to spoof a client's IP address and influence security...

CVE-2026-32029

OpenClaw versions prior to 2026.2.21 improperly parse the left-most X-Forwarded-For header value when requests originate from configured trusted proxies, allowing attackers to spoof client IP addresses. In proxy chains that append or preserve header values, attackers can inject malicious header...

Linux Distros Unpatched Vulnerability : CVE-2026-27824

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.4.0, the calibre Content Server's...

UBUNTU-CVE-2026-27824

calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.4.0, the calibre Content Server's brute-force protection mechanism uses a ban key derived from both remoteaddr and the X-Forwarded-For header. Since the X-Forwarded-For header i...

EUVD-2026-9057

calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.4.0, the calibre Content Server's brute-force protection mechanism uses a ban key derived from both remoteaddr and the X-Forwarded-For header. Since the X-Forwarded-For header i...

CVE-2026-27700

CVE-2026-27700 affects Hono’s AWS Lambda adapter behind ALB. In versions 4.12.0 and 4.12.1, getConnInfo() erroneously took the first value from the X-Forwarded-For header. Since AWS ALB appends the real client IP to the end of X-Forwarded-For, an attacker could control the first IP value, potenti...

CVE-2026-27700 Hono is Vulnerable to Authentication Bypass by IP Spoofing in AWS Lambda ALB conninfo

Hono is a Web application framework that provides support for any JavaScript runtime. In versions 4.12.0 and 4.12.1, when using the AWS Lambda adapter hono/aws-lambda behind an Application Load Balancer ALB, the getConnInfo function incorrectly selected the first value from the X-Forwarded-For...

CVE-2026-26953

Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level ad and internet tracker blocking application. Versions 6.0 and above have a Stored HTML Injection vulnerability in the active sessions table located on the API settings page, allowing an attacker with valid credentia...

CVE-2026-1320

The Secure Copy Content Protection and Content Locking plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'X-Forwarded-For' HTTP header in all versions up to, and including, 4.9.8 due to insufficient input sanitization and output escaping. This makes it possible for...

PT-2026-7848

The Secure Copy Content Protection and Content Locking plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'X-Forwarded-For' HTTP header in all versions up to, and including, 4.9.8 due to insufficient input sanitization and output escaping. This makes it possible for...

EUVD-2026-3288

MyTube is a self-hosted downloader and player for several video websites. Prior to version 1.7.71, a rate limiting bypass via X-Forwarded-For header spoofing allows unauthenticated attackers to bypass IP-based rate limiting on general API endpoints. Attackers can spoof client IPs by manipulating...

CVE-2023-50463

The caddy-geo-ip aka GeoIP middleware through 0.6.0 for Caddy 2, when trustheader X-Forwarded-For is used, allows attackers to spoof their source IP address via an X-Forwarded-For header, which may bypass a protection mechanism trustedproxy directive in reverseproxy or IP address range restrictio...

CVE-2020-12477

The REST API functions in TeamPass 2.1.27.36 allow any user with a valid API token to bypass IP address whitelist restrictions via an X-Forwarded-For client HTTP header to the getIp function...

EUVD-2025-203441

Misskey is an open source, federated social media platform. Attackers who use an untrusted reverse proxy or not using a reverse proxy at all can bypass IP rate limiting by adding a forged X-Forwarded-For header. Starting with version 2025.9.1, an option trustProxy has been added in config file to...

PT-2025-51338

Name of the Vulnerable Software and Affected Versions Misskey versions 2025.9.1 through 2025.11.1 Misskey versions prior to 2025.12.0-alpha.2 Description Misskey is an open source, federated social media platform. Attackers can bypass IP rate limiting by adding a forged X-Forwarded-For header whe...

CVE-2025-66204

WBCE CMS is a content management system. Version 1.6.4 contains a brute-force protection bypass where an attacker can indefinitely reset the counter by modifying X-Forwarded-For on each request, gaining unlimited password guessing attempts, effectively bypassing all brute-force protection. The...

CVE-2025-66204 WBCE CMS allows brute-force protection bypass using X-Forwarded-For header

WBCE CMS is a content management system. Version 1.6.4 contains a brute-force protection bypass where an attacker can indefinitely reset the counter by modifying X-Forwarded-For on each request, gaining unlimited password guessing attempts, effectively bypassing all brute-force protection. The...

CVE-2025-66577 cpp-httplib Untrusted HTTP Header Handling: X-Forwarded-For/X-Real-IP Trust

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.27.0, a vulnerability allows attacker-controlled HTTP headers to influence server-visible metadata, logging, and authorization decisions. An attacker can supply X-Forwarded-For or X-Real-IP headers which...