Security update for python-bleach (important)

openSUSE Security Update: Security update for python-bleach Announcement ID: openSUSE-SU-2021:0571-1 Rating: important References: 1167379 1168280 1184547 Cross-References: CVE-2020-6816 CVE-2020-6817 CVE-2021-23980 CVSS scores: CVE-2020-6816 NVD : 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N...

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in @nextcloud/dialogs

Impact The Nextcloud dialogs library before 3.1.2 did insufficiently escape text input passed to a toast. If your application displays toasts with user-supplied input, this could lead to a XSS vulnerability. Note: Nextcloud Server employs a strict Content Security Policy that mitigates the risk o...

openSUSE Security Update : python-bleach (openSUSE-2021-552)

This update for python-bleach fixes the following issues : - CVE-2021-23980: Fixed mutation XSS on bleach.clean with specific combinations of allowed tags boo1184547 Update to 3.1.5 : - replace missing setuptools dependency with packaging. Thank you Benjamin Peterson. Update to 3.1.4 boo1168280,...

The vulnerability of Cisco WebEx Meetings software relates to the failure to remove script-related HTML tags from web pages, allowing attackers to perform cross-site scripting attacks.

The vulnerability of Cisco WebEx Meetings software relates to the lack of measures taken to eliminate script-related tags on web pages. Exploiting this vulnerability allows a malicious actor to perform cross-site scripting attacks remotely...

CVE-2021-24218

The wpajaxsavefbesettings and wpajaxdeletefbesettings AJAX actions of the Facebook for WordPress plugin before 3.0.4 were vulnerable to CSRF due to a lack of nonce protection. The settings in the saveFbeSettings function had no sanitization allowing for script tags to be saved...

Cross site request forgery (csrf)

The wpajaxsavefbesettings and wpajaxdeletefbesettings AJAX actions of the Facebook for WordPress plugin before 3.0.4 were vulnerable to CSRF due to a lack of nonce protection. The settings in the saveFbeSettings function had no sanitization allowing for script tags to be saved...

Parsoid comment fostering allows for inserting mostly arbitrary <meta> tags

More info at https://phabricator.wikimedia.org/T279451...

Parsoid comment fostering allows for inserting mostly arbitrary <meta> tags

More info at https://phabricator.wikimedia.org/T279451...

Cross-site Scripting

bleach is vulnerable to cross-site scripting XSS. An attacker is able to inject and execute malicious script by calling bleach.clean with all of 1 svg or math in the allowed tags 2 p or br in allowed tags 3style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags 4the...

CVE-2021-23980

A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags the keyword argument stripcomments=False Note: none of the above tags are in the default allowe...

GHSA-MPVW-25MG-59VX Server-side Request Forgery (SSRF) via img tags in reportlab

All versions of package reportlab at time of writing are vulnerable to Server-side Request Forgery SSRF via img tags. In order to reduce risk, use trustedSchemes & trustedHosts see in Reportlab's documentation Steps to reproduce by Karan Bamal: 1. Download and install the latest package of...

CVE-2021-22172

Improper authorization in GitLab 12.8+ allows a guest user in a private project to view tag data that should be inaccessible on the releases page...

ALPINE-CVE-2021-20214

A flaw was found in Privoxy in versions before 3.0.29. Memory leaks in the client-tags CGI handler when client tags are configured and memory allocations fail can lead to a system crash...

DEBIAN-CVE-2021-20214

A flaw was found in Privoxy in versions before 3.0.29. Memory leaks in the client-tags CGI handler when client tags are configured and memory allocations fail can lead to a system crash...

DEBIAN-CVE-2021-20211

A flaw was found in Privoxy in versions before 3.0.29. Memory leak when client tags are active can cause a system crash...

ALPINE-CVE-2021-20211

A flaw was found in Privoxy in versions before 3.0.29. Memory leak when client tags are active can cause a system crash...

CVE-2021-20214

A flaw was found in Privoxy in versions before 3.0.29. Memory leaks in the client-tags CGI handler when client tags are configured and memory allocations fail can lead to a system crash...

CVE-2021-20211

A flaw was found in Privoxy in versions before 3.0.29. Memory leak when client tags are active can cause a system crash...

CVE-2021-20214

A flaw was found in Privoxy in versions before 3.0.29. Memory leaks in the client-tags CGI handler when client tags are configured and memory allocations fail can lead to a system crash...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Privoxy vulnerabilities (USN-4886-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4886-1 advisory. It was discovered that Privoxy incorrectly handled CGI requests. An attacker could possibly use this issue to cause a denial of...