# CVE-2023-38500: By-passing Cross-Site Scripting Protection in HTML Sanitizer

Source: https://junglewise.ai/threats/cve-2023-38500-by-passing-cross-site-scripting-protection-in-html-sanitizer  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-07-25  
License: CC BY 4.0 with a link back

CVE-2023-38500 · Severity: low · CVSS 3.1 · Published 2023-07-25

By-passing Cross-Site Scripting Protection in HTML Sanitizer

Technologies: [typo3/html-sanitizer (Packagist)](https://junglewise.ai/threats/technologies/typo3-html-sanitizer). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2023-38500 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-38500 being exploited in the wild.

**How severe is CVE-2023-38500?** Low severity, with a CVSS score of 3.1, published 25 July 2023.

**Which products and versions are affected?** typo3/html-sanitizer (Packagist) ECOSYSTEM:introduced=1.0.0,fixed=1.5.1.

**Is there a fix for CVE-2023-38500?** Yes. typo3/html-sanitizer (Packagist): upgrade to 1.5.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2023-38500?** Check whether you run 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/html-sanitizer (Packagist): upgrade to 1.5.1 or later

  ```sh
  composer require typo3/html-sanitizer:^1.5.1
  ```


## Affected products

- typo3/html-sanitizer (Packagist) ECOSYSTEM:introduced=1.0.0,fixed=1.5.1

## Identifiers

- CVE-2023-38500
- GHSA-59jf-3q9v-rh6g

## Related threats

- [TYPO3 html-sanitizer XSS bypass via incorrect namespace encoding](https://junglewise.ai/threats/cve-2026-47345-typo3-html-sanitizer-xss-bypass-via-incorrect-namespace-encoding)
- [TYPO3 html-sanitizer XSS bypass via whitespace-variant closing tags](https://junglewise.ai/threats/cve-2026-47344-typo3-html-sanitizer-xss-bypass-via-whitespace-variant-closing)
- [Bypassing Cross-Site Scripting Protection in TYPO3 HTML Sanitizer](https://junglewise.ai/threats/cve-2023-47125-bypassing-cross-site-scripting-protection-in-typo3-html-sanitizer)
- [TYPO3 HTML Sanitizer vulnerable to Cross-Site Scripting](https://junglewise.ai/threats/cve-2022-23499-typo3-html-sanitizer-vulnerable-to-cross-site-scripting)
- [TYPO3 HTML Sanitizer Bypasses Cross-Site Scripting Protection](https://junglewise.ai/threats/cve-2022-36020-typo3-html-sanitizer-bypasses-cross-site-scripting-protection)