Symfony's HtmlSanitizer UrlAttributeSanitizer Omits action/formaction/poster/cite — `javascript`: URI Survives Sanitization (XSS)

Description symfony/html-sanitizer lets applications sanitise untrusted HTML. UrlAttributeSanitizer is the visitor responsible for validating URL-valued attributes and stripping dangerous schemes from them; it runs on every element regardless of configuration. Whether an attribute is kept is...

PT-2026-44727

Description symfony/html-sanitizer lets applications sanitise untrusted HTML. UrlAttributeSanitizer is the visitor responsible for validating URL-valued attributes and stripping dangerous schemes from them; it runs on every element regardless of configuration. Whether an attribute is kept is...

Cross-site Scripting (XSS)

Overview symfony/html-sanitizer is a Provides an object-oriented API to sanitize untrusted HTML input for safe insertion into a document's DOM. Affected versions of this package are vulnerable to Cross-site Scripting XSS via incomplete URL attribute validation in UrlAttributeSanitizer. An attacke...

Astra Linux - уязвимость в lxml

An XSS vulnerability was discovered in python-lxml's clean module versions before 4.6.3. When disabling the safeattrsonly and forms arguments, the Cleaner class does not remove the formaction attribute allowing for JS to bypass the sanitizer. A remote attacker could exploit this flaw to run...

Payload-XSS

Payload-XSS Daftar Isi 1. Payload Dasar 1-20payload-...

MiracleLinux 8 : python-lxml-4.2.3-3.el8 (AXSA:2021-2726:02)

The remote MiracleLinux 8 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2021-2726:02 advisory. python-lxml: Missing input sanitization for formaction HTML5 attributes may lead to XSS CVE-2021-28957 Tenable has extracted the preceding description block...

EUVD-2018-6836

Malware in sbrugna...

Medium: python-lxml

Issue Overview: An XSS vulnerability was discovered in python-lxml's clean module versions before 4.6.3. When disabling the safeattrsonly and forms arguments, the Cleaner class does not remove the formaction attribute allowing for JS to bypass the sanitizer. A remote attacker could exploit this...

GHSA-4H54-VWX9-3VR3 Silverstripe XSS In FormAction

A cross-site scripting vulnerability has been discovered in the FormAction field where a user-specified title may be specified...

Silverstripe XSS In FormAction

A cross-site scripting vulnerability has been discovered in the FormAction field where a user-specified title may be specified...

Mars: Reflected XSS on formaction parameter

The formaction parameter of the target application was found to contain a reflected Cross-Site Scripting XSS vulnerability. User-supplied data was reflected back without proper sanitization, allowing for the injection of malicious JavaScript code. The issue was compounded by potential cache...

SUSE CVE-2018-14954

The mail message display page in SquirrelMail through 1.4.22 has XSS via the formaction attribute...

SUSE CVE-2021-28957

An XSS vulnerability was discovered in python-lxml's clean module versions before 4.6.3. When disabling the safeattrsonly and forms arguments, the Cleaner class does not remove the formaction attribute allowing for JS to bypass the sanitizer. A remote attacker could exploit this flaw to run...

Delta Controls enteliTOUCH 3.40.3935 - Cross-Site Scripting (XSS)

Exploit Title: Delta Controls enteliTOUCH 3.40.3935 - Cross-Site Scripting XSS Exploit Author: LiquidWorm enteliTouch XSS input type="hidden" nam...

python-lxml: Missing input sanitization for formaction HTML5 attributes may lead to XSS

A flaw was found in python-lxml. The HTML5 formaction attribute is not input sanitized like the HTML action attribute is which can lead to a Cross-Site Scripting attack XSS when an application uses python-lxml to sanitize user inputs. The highest threat from this vulnerability is to data...

Moderate: Red Hat Security Advisory: python-lxml security update

An update for python-lxml is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fro...

python-lxml: Missing input sanitization for formaction HTML5 attributes may lead to XSS

A flaw was found in python-lxml. The HTML5 formaction attribute is not input sanitized like the HTML action attribute is which can lead to a Cross-Site Scripting attack XSS when an application uses python-lxml to sanitize user inputs. The highest threat from this vulnerability is to data...

python-lxml: Missing input sanitization for formaction HTML5 attributes may lead to XSS

A flaw was found in python-lxml. The HTML5 formaction attribute is not input sanitized like the HTML action attribute is which can lead to a Cross-Site Scripting attack XSS when an application uses python-lxml to sanitize user inputs. The highest threat from this vulnerability is to data...

python-lxml: Missing input sanitization for formaction HTML5 attributes may lead to XSS

A flaw was found in python-lxml. The HTML5 formaction attribute is not input sanitized like the HTML action attribute is which can lead to a Cross-Site Scripting attack XSS when an application uses python-lxml to sanitize user inputs. The highest threat from this vulnerability is to data...

Moderate: python-lxml security update

lxml is an XML processing library providing access to libxml2 and libxslt libraries using the Python ElementTree API. Security Fixes: python-lxml: Missing input sanitization for formaction HTML5 attributes may lead to XSS CVE-2021-28957 For more details about the security issues, including the...