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GHSA-7j98-h7fp-4vwj: smarty Cross-site Scripting vulnerability in Javascript escaping

Impact

An attacker could exploit this vulnerability to execute arbitrary JavaScript code in the context of the user’s browser session. This may lead to unauthorized access to sensitive user data, manipulation of the web application’s behavior, or unauthorized actions performed on behalf of the user.

Patches

Please upgrade to the most recent version of Smarty v3 or v4.

For more information

If you have any questions or comments about this advisory please open an issue in the Smarty repo

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  1. GitHub Advisory Database
  2. GitHub Reviewed
  3. CVE-2023-28447

smarty Cross-site Scripting vulnerability in Javascript escaping

High severity GitHub Reviewed Published Mar 28, 2023 in smarty-php/smarty • Updated Mar 29, 2023

Package

composer smarty/smarty (Composer)

Affected versions

>= 4.0.0, < 4.3.1

< 3.1.48

Patched versions

4.3.1

3.1.48

Description

Impact

An attacker could exploit this vulnerability to execute arbitrary JavaScript code in the context of the user’s browser session. This may lead to unauthorized access to sensitive user data, manipulation of the web application’s behavior, or unauthorized actions performed on behalf of the user.

Patches

Please upgrade to the most recent version of Smarty v3 or v4.

For more information

If you have any questions or comments about this advisory please open an issue in the Smarty repo

References

  • GHSA-7j98-h7fp-4vwj
  • https://nvd.nist.gov/vuln/detail/CVE-2023-28447
  • smarty-php/smarty@6856624

Published to the GitHub Advisory Database

Mar 29, 2023

Last updated

Mar 29, 2023

Related news

Ubuntu Security Notice USN-6550-1

Ubuntu Security Notice 6550-1 - It was discovered that Smarty, that is integrated in the PostfixAdmin code, was not properly sanitizing user input when generating templates. An attacker could, through PHP injection, possibly use this issue to execute arbitrary code. It was discovered that Moment.js, that is integrated in the PostfixAdmin code, was using an inefficient parsing algorithm when processing date strings in the RFC 2822 standard. An attacker could possibly use this issue to cause a denial of service.

CVE-2023-28447: Cross site scripting vulnerability in Javascript escaping

Smarty is a template engine for PHP. In affected versions smarty did not properly escape javascript code. An attacker could exploit this vulnerability to execute arbitrary JavaScript code in the context of the user's browser session. This may lead to unauthorized access to sensitive user data, manipulation of the web application's behavior, or unauthorized actions performed on behalf of the user. Users are advised to upgrade to either version 3.1.48 or to 4.3.1 to resolve this issue. There are no known workarounds for this vulnerability.

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