Changedetection.io RSS Single Watch - Cross-Site Scripting

changedetection.io 0.54.1 contains a stored XSS caused by unescaped reflection of UUID path parameter in RSS single-watch endpoint, letting remote attackers execute JavaScript in victim's browser, exploit requires victim to visit crafted URL. id: CVE-2026-27645 info: name: Changedetection.io RSS...

Changedetection.io <= 0.47.4 - Path Traversal

changedetection.io is free, open source web page change detection software. Prior to version 0.47.5, when a WebDriver is used to fetch files, source-file-///etc/passwd can be used to retrieve local system files, where the more traditional file-///etc/passwd gets blocked. Version 0.47.5 fixes the...

Change Detection - Server Side Template Injection

A Server Side Template Injection in changedetection.io caused by usage of unsafe functions of Jinja2 allows Remote Command Execution on the server host. id: CVE-2024-32651 info: name: Change Detection - Server Side Template Injection author: edoardottt severity: critical description: | A Server...

PYSEC-2026-1242 changedetection.io Vulnerable to Improper Input Validation Leading to LFR/Path Traversal

Summary Improper input validation in the application can allow attackers to perform local file read LFR or path traversal attacks. These vulnerabilities occur when user input is used to construct file paths without adequate sanitization or validation. For example, using file:../../../etc/passwd o...

CVE-2026-41895

changedetection.io is a free open source web page change detection tool. In 0.54.9 and earlier, xpathfilter switches to XML mode for XML/RSS content and creates etree.XMLParserstripcdata=False without explicitly disabling external entity resolution, external DTD loading, or network-backed entity...

PYSEC-2026-30

changedetection.io is a free open source web page change detection tool. Prior to 0.55.1, the vulnerability is caused by trusting attacker-controlled snapshot paths restored from backup files. The vulnerable flow starts in the backup restore logic. When a backup ZIP is restored, the application...

CVE-2026-41895

changedetection.io is a free open source web page change detection tool. In 0.54.9 and earlier, xpathfilter switches to XML mode for XML/RSS content and creates etree.XMLParserstripcdata=False without explicitly disabling external entity resolution, external DTD loading, or network-backed entity...

CVE-2026-43891 changedetection.io: Arbitrary Local File Read via crafted backup restore

changedetection.io is a free open source web page change detection tool. Prior to 0.55.1, the vulnerability is caused by trusting attacker-controlled snapshot paths restored from backup files. The vulnerable flow starts in the backup restore logic. When a backup ZIP is restored, the application...

CVE-2026-43891 changedetection.io: Arbitrary Local File Read via crafted backup restore

changedetection.io is a free open source web page change detection tool. Prior to 0.55.1, the vulnerability is caused by trusting attacker-controlled snapshot paths restored from backup files. The vulnerable flow starts in the backup restore logic. When a backup ZIP is restored, the application...

CVE-2026-41895 changedetection.io: XXE vulnerability in the changedetection.io project

changedetection.io is a free open source web page change detection tool. In 0.54.9 and earlier, xpathfilter switches to XML mode for XML/RSS content and creates etree.XMLParserstripcdata=False without explicitly disabling external entity resolution, external DTD loading, or network-backed entity...

CVE-2026-41895 changedetection.io: XXE vulnerability in the changedetection.io project

changedetection.io is a free open source web page change detection tool. In 0.54.9 and earlier, xpathfilter switches to XML mode for XML/RSS content and creates etree.XMLParserstripcdata=False without explicitly disabling external entity resolution, external DTD loading, or network-backed entity...

XML External Entity (XXE) Injection

Overview changedetection.io is a Website change detection and monitoring service Affected versions of this package are vulnerable to XML External Entity XXE Injection via the xpathfilter process. An attacker can access sensitive local files by supplying crafted XML or RSS content containing...

GHSA-V7CP-2CX9-X793 changedetection.io project has an XXE vulnerability

changedetection.ioXXE01 Vulnerability Report: We discovered a XXE vulnerability in the changedetection.io project While analyzing the code logic, it was determined that an area may lead to unintended behavior under specific conditions. With the project's security in mind, see the analysis results...

PT-2026-37163

Name of the Vulnerable Software and Affected Versions changedetection.io versions 0.54.9 and earlier Description The software contains an XML External Entity XXE issue where the xpath filter function switches to XML mode for XML/RSS content and creates an etree.XMLParserstrip cdata=False without...

CVE-2026-35490

changedetection.io is a free open source web page change detection tool. Prior to 0.54.8, the @loginoptionallyrequired decorator is placed before outer to @blueprint.route instead of after it. In Flask, @route must be the outermost decorator because it registers the function it receives. When the...

PYSEC-2026-28

changedetection.io is a free open source web page change detection tool. Prior to 0.54.8, the @loginoptionallyrequired decorator is placed before outer to @blueprint.route instead of after it. In Flask, @route must be the outermost decorator because it registers the function it receives. When the...

CVE-2026-35490 changedetection.io has an Authentication Bypass via Decorator Ordering

changedetection.io is a free open source web page change detection tool. Prior to 0.54.8, the @loginoptionallyrequired decorator is placed before outer to @blueprint.route instead of after it. In Flask, @route must be the outermost decorator because it registers the function it receives. When the...

CVE-2026-35490

changedetection.io is a free open source web page change detection tool. Prior to 0.54.8, the @loginoptionallyrequired decorator is placed before outer to @blueprint.route instead of after it. In Flask, @route must be the outermost decorator because it registers the function it receives. When the...

CVE-2026-35490 changedetection.io has an Authentication Bypass via Decorator Ordering

changedetection.io is a free open source web page change detection tool. Prior to 0.54.8, the @loginoptionallyrequired decorator is placed before outer to @blueprint.route instead of after it. In Flask, @route must be the outermost decorator because it registers the function it receives. When the...

CVE-2026-35490 changedetection.io has an Authentication Bypass via Decorator Ordering

changedetection.io is a free open source web page change detection tool. Prior to 0.54.8, the @loginoptionallyrequired decorator is placed before outer to @blueprint.route instead of after it. In Flask, @route must be the outermost decorator because it registers the function it receives. When the...