CVE-2022-23499: TYPO3 HTML Sanitizer vulnerable to Cross-Site Scripting

CVE-2022-23499 · Severity: low · CVSS 3.1 · Published 2022-12-13

TYPO3 HTML Sanitizer vulnerable to Cross-Site Scripting

Technologies: typo3/cms (Packagist), typo3/html-sanitizer (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2022-23499 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2022-23499 being exploited in the wild.
How severe is CVE-2022-23499?
Low severity, with a CVSS score of 3.1, published 13 December 2022.
Which products and versions are affected?
typo3/cms (Packagist) ECOSYSTEM:introduced=10.0.0,fixed=10.4.33; typo3/html-sanitizer (Packagist) ECOSYSTEM:introduced=1.0.0,fixed=1.5.0.
Is there a fix for CVE-2022-23499?
Yes. typo3/cms (Packagist): upgrade to 10.4.33 or later; typo3/html-sanitizer (Packagist): upgrade to 1.5.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2022-23499?
Check whether you run typo3/cms (Packagist) or typo3/html-sanitizer (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • typo3/cms (Packagist): upgrade to 10.4.33 or later
    composer require typo3/cms:^10.4.33
  • typo3/html-sanitizer (Packagist): upgrade to 1.5.0 or later
    composer require typo3/html-sanitizer:^1.5.0

Affected products

  • typo3/cms (Packagist) ECOSYSTEM:introduced=10.0.0,fixed=10.4.33
  • typo3/html-sanitizer (Packagist) ECOSYSTEM:introduced=1.0.0,fixed=1.5.0

Identifiers

  • CVE-2022-23499
  • GHSA-hvwx-qh2h-xcfj

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