CVE-2026-33170

A flaw was found in Active Support, a toolkit of support libraries for the Rails framework. When a SafeBuffer is modified in place and subsequently formatted with untrusted input, the @htmlunsafe flag is not correctly propagated. This improper handling causes the buffer to incorrectly report as...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS in debug exceptions, which use ERB escaping. An attacker can execute JavaScript in the context of the affected application by triggering a malicious exception message that is rendered bypassing the intended...

UBUNTU-CVE-2026-33170

Active Support is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, SafeBuffer% does not propagate the @htmlunsafe flag to the newly created buffer. If a SafeBuffer is mutated in place e.g. via gsub! and th...

CVE-2026-33170 Rails Active Support has a possible XSS vulnerability in SafeBuffer#%

Active Support is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, SafeBuffer% does not propagate the @htmlunsafe flag to the newly created buffer. If a SafeBuffer is mutated in place e.g. via gsub! and th...

Rails Active Support has a possible XSS vulnerability in SafeBuffer#%

Impact SafeBuffer% does not propagate the @htmlunsafe flag to the newly created buffer. If a SafeBuffer is mutated in place e.g. via gsub! and then formatted with % using untrusted arguments, the result incorrectly reports htmlsafe? == true, bypassing ERB auto-escaping and possibly leading to XSS...

PT-2026-27257

Name of the Vulnerable Software and Affected Versions Active Support versions prior to 8.1.2.1 Active Support versions prior to 8.0.4.1 Active Support versions prior to 7.2.3.1 Description The SafeBuffer% function does not correctly propagate the @html unsafe flag to newly created buffers. If a...

EUVD-2021-1326

Malware in sbrugna...

Malicious code in erb-mux (npm)

The package erb-mux was found to contain malicious code...

MAL-2025-19761 Malicious code in erb-mux (npm)

The package erb-mux was found to contain malicious code...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the substr parameter, which is output in the metrics.erb view of the Web UI without encoding. This reflected cross-site scripting attack can target users of the victim application or others hosted on the sam...

UBUNTU-CVE-2024-27285

YARD is a Ruby Documentation tool. The "frames.html" file within the Yard Doc's generated documentation is vulnerable to Cross-Site Scripting XSS attacks due to inadequate sanitization of user input within the JavaScript segment of the "frames.erb" template file. This vulnerability is fixed in...

DEBIAN-CVE-2024-27285

YARD is a Ruby Documentation tool. The "frames.html" file within the Yard Doc's generated documentation is vulnerable to Cross-Site Scripting XSS attacks due to inadequate sanitization of user input within the JavaScript segment of the "frames.erb" template file. This vulnerability is fixed in...

PT-2024-21793 · Yard +4 · Yard +4

Name of the Vulnerable Software and Affected Versions: YARD versions prior to 0.9.36 Description: The "frames.html" file within the Yard Doc's generated documentation is vulnerable to Cross-Site Scripting XSS attacks due to inadequate sanitization of user input within the JavaScript segment of th...

Vulnerability Researchers: Check out The Critical Thinking Podcast

Today, The Wordfence Bug Bounty Program was featured on an episode of the Critical Thinking Podcast, a top resource and community for bug bounty researchers. Critical Thinking is a podcast focused on ethical hacking and security analysis and is described as a “by Hackers for Hackers podcast focus...

Ruby on Rails: Incomplete fix for CVE-2022-32209 (XSS in Rails::Html::Sanitizer under certain configurations)

While building a PoC for CVE-2022-32209, I noticed that I could not fix my vulnerable application by updating https://github.com/rails/rails-html-sanitizer from 1.4.2 to 1.4.3 even though the Hackerone report about this vulnerability suggested that this should fix it see here:...

CVE-2021-32723

A flaw was found in npm-prismjs. An attacker can craft a string that will take a very long time to highlight when used to work with un-trusted text resulting in ReDoS. This can affect the system availability. There is no known risk of privilege escalation on data compromise. Mitigation As a...

CVE-2021-32723

Prism is a syntax highlighting library. Some languages before 1.24.0 are vulnerable to Regular Expression Denial of Service ReDoS. When Prism is used to highlight untrusted user-given text, an attacker can craft a string that will take a very very long time to highlight. This problem has been fix...

Design/Logic Flaw

Prism is a syntax highlighting library. Some languages before 1.24.0 are vulnerable to Regular Expression Denial of Service ReDoS. When Prism is used to highlight untrusted user-given text, an attacker can craft a string that will take a very very long time to highlight. This problem has been fix...

CVE-2021-32723 Regular Expression Denial of Service (ReDoS) in Prism

Prism is a syntax highlighting library. Some languages before 1.24.0 are vulnerable to Regular Expression Denial of Service ReDoS. When Prism is used to highlight untrusted user-given text, an attacker can craft a string that will take a very very long time to highlight. This problem has been fix...

Regular Expression Denial of Service (ReDoS) in Prism

Some languages before 1.24.0 are vulnerable to Regular Expression Denial of Service ReDoS. Impact When Prism is used to highlight untrusted user-given text, an attacker can craft a string that will take a very very long time to highlight. Do not use the following languages to highlight untrusted...