Cross-site Scripting (XSS)

Overview changedetection.io is a Website change detection and monitoring service Affected versions of this package are vulnerable to Cross-site Scripting XSS via the rss/ endpoint, where the UUID path parameter is reflected in the HTTP response body without proper HTML escaping. An attacker can...

CVE-2026-27645

changedetection.io is a free open source web page change detection tool. In versions prior to 0.54.1, the RSS single-watch endpoint reflects the UUID path parameter directly in the HTTP response body without HTML escaping. Since Flask returns text/html by default for plain string responses, the...

CVE-2026-27645

changedetection.io is a free open source web page change detection tool. In versions prior to 0.54.1, the RSS single-watch endpoint reflects the UUID path parameter directly in the HTTP response body without HTML escaping. Since Flask returns text/html by default for plain string responses, the...

CVE-2026-27645

changedetection.io is a free open source web page change detection tool. In versions prior to 0.54.1, the RSS single-watch endpoint reflects the UUID path parameter directly in the HTTP response body without HTML escaping. Since Flask returns text/html by default for plain string responses, the...

CVE-2026-27645 changedetection.io Vulnerable to Reflected XSS in RSS Single Watch Error Response

changedetection.io is a free open source web page change detection tool. In versions prior to 0.54.1, the RSS single-watch endpoint reflects the UUID path parameter directly in the HTTP response body without HTML escaping. Since Flask returns text/html by default for plain string responses, the...

CVE-2026-27645: Improper Neutralization of Input During Web Page Generation

changedetection.io is a free open source web page change detection tool. In versions prior to 0.54.1, the RSS single-watch endpoint reflects the UUID path parameter directly in the HTTP response body without HTML escaping. Since Flask returns text/html by default for plain string responses, the...

changedetection.io security vulnerability

changedetection.io is a website monitoring and notification application developed by dgtlmoon. Versions of changedetection.io prior to 0.54.1 contained a security vulnerability. This vulnerability stemmed from the RSS monitoring endpoint not properly escaping the UUID path parameter in HTML, whic...

GO-2026-4471 Fiber has an insecure fallback in utils.UUIDv4() / utils.UUID() on crypto/rand failure in github.com/gofiber/fiber

Fiber has an insecure fallback in utils.UUIDv4 / utils.UUID — predictable / zero‑UUID on crypto/rand failure in github.com/gofiber/fiber...

CVE-2019-25399

IPFire 2.21 Core Update 127 contains multiple stored cross-site scripting vulnerabilities in the extrahd.cgi script that allow attackers to inject malicious scripts through the FS, PATH, and UUID parameters. Attackers can submit POST requests with script payloads in these parameters to execute...

CVE-2019-25399

IPFire 2.21 Core Update 127 contains multiple stored XSS vulnerabilities in the extrahd.cgi script. Attackers can submit POST requests with script payloads in the FS, PATH, and UUID parameters, enabling execution of arbitrary JavaScript in the context of authenticated administrator sessions. The ...

CVE-2026-2439

Concierge::Sessions versions from 0.8.1 before 0.8.5 for Perl generate insecure session ids. The generatesessionid function in Concierge::Sessions::Base defaults to using the uuidgen command to generate a UUID, with a fallback to using Perl's built-in rand function. Neither of these methods are...

PT-2026-20501

IPFire 2.21 Core Update 127 contains multiple stored cross-site scripting vulnerabilities in the extrahd.cgi script that allow attackers to inject malicious scripts through the FS, PATH, and UUID parameters. Attackers can submit POST requests with script payloads in these parameters to execute...

CVE-2019-25399: Improper Neutralization of Input During Web Page Generation

IPFire 2.21 Core Update 127 contains multiple stored cross-site scripting vulnerabilities in the extrahd.cgi script that allow attackers to inject malicious scripts through the FS, PATH, and UUID parameters. Attackers can submit POST requests with script payloads in these parameters to execute...

CVE-2026-2439 Concierge::Sessions versions from 0.8.1 before 0.8.5 for Perl generate insecure session ids

Concierge::Sessions versions from 0.8.1 before 0.8.5 for Perl generate insecure session ids. The generatesessionid function in Concierge::Sessions::Base defaults to using the uuidgen command to generate a UUID, with a fallback to using Perl's built-in rand function. Neither of these methods are...

CVE-2026-2439 Concierge::Sessions versions from 0.8.1 before 0.8.5 for Perl generate insecure session ids

Concierge::Sessions versions from 0.8.1 before 0.8.5 for Perl generate insecure session ids. The generatesessionid function in Concierge::Sessions::Base defaults to using the uuidgen command to generate a UUID, with a fallback to using Perl's built-in rand function. Neither of these methods are...

PT-2026-8387

Name of the Vulnerable Software and Affected Versions Concierge::Sessions versions 0.8.1 through 0.8.4 Description The generate session id function within Concierge::Sessions::Base defaults to insecure methods for generating session identifiers. Specifically, it uses the uuidgen command, which ma...

CVE-2025-66630

Fiber is an Express inspired web framework written in Go. Before 2.52.11, on Go versions prior to 1.24, the underlying crypto/rand implementation can return an error if secure randomness cannot be obtained. Because no error is returned by the Fiber v2 UUID functions, application code may...

CVE-2025-66630

Fiber is a Go web framework. Before 2.52.11 and on Go

Fiber has an insecure fallback in utils.UUIDv4() / utils.UUID() — predictable / zero‑UUID on crypto/rand failure

Fiber v2 contains an internal vendored copy of gofiber/utils, and its functions UUIDv4 and UUID inherit the same critical weakness described in the upstream advisory. On Go versions prior to 1.24, the underlying crypto/rand implementation can return an error if secure randomness cannot be obtaine...

PT-2026-7122

Name of the Vulnerable Software and Affected Versions Fiber versions prior to 2.52.11 Fiber versions prior to 2.52.11 running on Go versions prior to 1.24 Description The Fiber framework, an Express-inspired web framework written in Go, is susceptible to generating predictable identifiers when...