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This PR contains the following updates:
4.3.0->4.7.7GitHub Vulnerability Alerts
GHSA-f52g-6jhx-586p
Affected versions of
handlebarsare vulnerable to Denial of Service. The package's parser may be forced into an endless loop while processing specially-crafted templates. This may allow attackers to exhaust system resources leading to Denial of Service.Recommendation
Upgrade to version 4.4.5 or later.
GHSA-2cf5-4w76-r9qv
Versions of
handlebarsprior to 3.0.8 or 4.5.2 are vulnerable to Arbitrary Code Execution. The package's lookup helper fails to properly validate templates, allowing attackers to submit templates that execute arbitrary JavaScript in the system. It can be used to run arbitrary code in a server processing Handlebars templates or on a victim's browser (effectively serving as Cross-Site Scripting).The following template can be used to demonstrate the vulnerability:
Recommendation
Upgrade to version 3.0.8, 4.5.2 or later.
GHSA-g9r4-xpmj-mj65
Versions of
handlebarsprior to 3.0.8 or 4.5.3 are vulnerable to prototype pollution. It is possible to add or modify properties to the Object prototype through a malicious template. This may allow attackers to crash the application or execute Arbitrary Code in specific conditions.Recommendation
Upgrade to version 3.0.8, 4.5.3 or later.
GHSA-q2c6-c6pm-g3gh
Versions of
handlebarsprior to 3.0.8 or 4.5.3 are vulnerable to Arbitrary Code Execution. The package's lookup helper fails to properly validate templates, allowing attackers to submit templates that execute arbitrary JavaScript in the system. It is due to an incomplete fix for a previous issue. This vulnerability can be used to run arbitrary code in a server processing Handlebars templates or on a victim's browser (effectively serving as Cross-Site Scripting).Recommendation
Upgrade to version 3.0.8, 4.5.3 or later.
CVE-2021-23369
The package handlebars before 4.7.7 are vulnerable to Remote Code Execution (RCE) when selecting certain compiling options to compile templates coming from an untrusted source.
CVE-2019-20920
Handlebars before 3.0.8 and 4.x before 4.5.3 is vulnerable to Arbitrary Code Execution. The lookup helper fails to properly validate templates, allowing attackers to submit templates that execute arbitrary JavaScript. This can be used to run arbitrary code on a server processing Handlebars templates or in a victim's browser (effectively serving as XSS).
CVE-2019-20922
Handlebars before 4.4.5 allows Regular Expression Denial of Service (ReDoS) because of eager matching. The parser may be forced into an endless loop while processing crafted templates. This may allow attackers to exhaust system resources.
CVE-2021-23383
The package handlebars before 4.7.7 are vulnerable to Prototype Pollution when selecting certain compiling options to compile templates coming from an untrusted source.
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