PT-2026-25855

Summary The eCard send handler in Admidio uses the raw $ POST'ecard message' value instead of the HTMLPurifier-sanitized $formValues'ecard message' when constructing the greeting card HTML. This allows an authenticated attacker to inject arbitrary HTML and JavaScript into greeting card emails sen...

CVE-2025-57543

Cross Site scripting vulnerability XSS in NetBox 4.3.5 "comment" field on object forms. An attacker can inject arbitrary HTML, which will be rendered in the web UI when viewed by other users. This could potentially lead to user interface redress attacks or be escalated to XSS in certain contexts...

Admidio has an HTMLPurifier Bypass in eCard Message Allows HTML Email Injection

The eCard send handler in Admidio uses the raw $POST'ecardmessage' value instead of the HTMLPurifier-sanitized $formValues'ecardmessage' when constructing the greeting card HTML. This allows an authenticated attacker to inject arbitrary HTML and JavaScript into greeting card emails sent to other...

web-attack-payloads

Web Attack Payloads Collection !Cybersecurityhttps://img.s...

CVE-2015-20119: Improper Neutralization of Input During Web Page Generation

Next Click Ventures RealtyScript 4.0.2 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious HTML and iframe elements through the text parameter in the pages.php admin interface. Attackers can submit POST requests to the add page action with...

CVE-2015-20114: Improper Neutralization of Input During Web Page Generation

Next Click Ventures RealtyScript 4.0.2 contains a cross-site scripting vulnerability that allows attackers to execute arbitrary HTML and script code by injecting malicious input through multiple parameters that are not properly sanitized. Attackers can craft requests with injected script payloads...

CVE-2016-20027: Improper Neutralization of Input During Web Page Generation

ZKTeco ZKBioSecurity 3.0 contains multiple reflected cross-site scripting vulnerabilities that allow attackers to execute arbitrary HTML and script code by injecting malicious payloads through unsanitized parameters in multiple scripts. Attackers can craft malicious URLs with XSS payloads in...

OneUptime: Stored XSS via Mermaid Diagram Rendering (securityLevel: "loose")

Summary The Markdown viewer component renders Mermaid diagrams with securityLevel: "loose" and injects the SVG output via innerHTML. This configuration explicitly allows interactive event bindings in Mermaid diagrams, enabling XSS through Mermaid's click directive which can execute arbitrary...

GHSA-WVH5-6VJM-23QH OneUptime: Stored XSS via Mermaid Diagram Rendering (securityLevel: "loose")

Summary The Markdown viewer component renders Mermaid diagrams with securityLevel: "loose" and injects the SVG output via innerHTML. This configuration explicitly allows interactive event bindings in Mermaid diagrams, enabling XSS through Mermaid's click directive which can execute arbitrary...

CVE-2026-31860

Unhead is a document head and template manager. Prior to 2.1.11, useHeadSafe can be bypassed to inject arbitrary HTML attributes, including event handlers, into SSR-rendered tags. This is the composable that Nuxt docs recommend for safely handling user-generated content. The acceptDataAttrs...

CVE-2026-25529

Postal is an open source SMTP server. Postal versions less than 3.3.5 had a HTML injection vulnerability that allowed unescaped data to be included in the admin interface. The primary way for unescaped data to be added is via the API's "send/raw" method. This could allow arbitrary HTML to be...

CVE-2026-25529 Postal has HTML injection / XSS in message view

Postal is an open source SMTP server. Postal versions less than 3.3.5 had a HTML injection vulnerability that allowed unescaped data to be included in the admin interface. The primary way for unescaped data to be added is via the API's "send/raw" method. This could allow arbitrary HTML to be...

CVE-2026-25529

Postal is an open source SMTP server. Postal versions less than 3.3.5 had a HTML injection vulnerability that allowed unescaped data to be included in the admin interface. The primary way for unescaped data to be added is via the API's "send/raw" method. This could allow arbitrary HTML to be...

CVE-2026-25529 Postal has HTML injection / XSS in message view

Postal is an open source SMTP server. Postal versions less than 3.3.5 had a HTML injection vulnerability that allowed unescaped data to be included in the admin interface. The primary way for unescaped data to be added is via the API's "send/raw" method. This could allow arbitrary HTML to be...

CVE-2026-25529

Postal is an open source SMTP server. Postal versions less than 3.3.5 had a HTML injection vulnerability that allowed unescaped data to be included in the admin interface. The primary way for unescaped data to be added is via the API's "send/raw" method. This could allow arbitrary HTML to be...

EUVD-2026-11603

Postal is an open source SMTP server. Postal versions less than 3.3.5 had a HTML injection vulnerability that allowed unescaped data to be included in the admin interface. The primary way for unescaped data to be added is via the API's "send/raw" method. This could allow arbitrary HTML to be...

CVE-2026-25529

Postal is an open source SMTP server. CVE-2026-25529 affects versions before 3.3.5, where unescaped data could be injected into the admin interface, primarily via the API’s send/raw method. This HTML injection could permit arbitrary HTML and potentially unauthorised JavaScript execution in the ad...

CVE-2026-25529 Postal has HTML injection / XSS in message view

Postal is an open source SMTP server. Postal versions less than 3.3.5 had a HTML injection vulnerability that allowed unescaped data to be included in the admin interface. The primary way for unescaped data to be added is via the API's "send/raw" method. This could allow arbitrary HTML to be...

PT-2026-25008

Postal is an open source SMTP server. Postal versions less than 3.3.5 had a HTML injection vulnerability that allowed unescaped data to be included in the admin interface. The primary way for unescaped data to be added is via the API's "send/raw" method. This could allow arbitrary HTML to be...

CVE-2026-31860: Improper Neutralization of Input During Web Page Generation

Unhead is a document head and template manager. Prior to 2.1.11, useHeadSafe can be bypassed to inject arbitrary HTML attributes, including event handlers, into SSR-rendered tags. This is the composable that Nuxt docs recommend for safely handling user-generated content. The acceptDataAttrs...