# YesWiki has Multiple Reflected Cross-site Scripting Vulnerabilities

Source: https://junglewise.ai/threats/yeswiki-has-multiple-reflected-cross-site-scripting-vulnerabilities-b4d2e600  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-01  
License: CC BY 4.0 with a link back

Severity: medium · CVSS 4 · Published 2026-04-01

YesWiki has Multiple Reflected Cross-site Scripting Vulnerabilities

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

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Medium severity, with a CVSS score of 4, published 1 April 2026.

**Which products and versions are affected?** yeswiki/yeswiki (Packagist) ECOSYSTEM:introduced=0,fixed=4.6.0.

**Is there a fix for This vulnerability?** Yes. yeswiki/yeswiki (Packagist): upgrade to 4.6.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run yeswiki/yeswiki (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

- yeswiki/yeswiki (Packagist): upgrade to 4.6.0 or later

  ```sh
  composer require yeswiki/yeswiki:^4.6.0
  ```


## Affected products

- yeswiki/yeswiki (Packagist) ECOSYSTEM:introduced=0,fixed=4.6.0

## Related threats

- [YesWiki PHP object injection in BazarImportAction](https://junglewise.ai/threats/cve-2026-52777-yeswiki-php-object-injection-in-bazarimportaction)
- [YesWiki authenticated SQL injection in ReactionManager](https://junglewise.ai/threats/cve-2026-52775-yeswiki-authenticated-sql-injection-in-reactionmanager)
- [YesWiki reflected XSS in Bazar widget id parameter](https://junglewise.ai/threats/cve-2026-52774-yeswiki-reflected-xss-in-bazar-widget-id-parameter)
- [YesWiki reflected XSS in archived-revision view](https://junglewise.ai/threats/cve-2026-52773-yeswiki-reflected-xss-in-archived-revision-view)
- [YesWiki is a wiki system written in PHP. Prior to version 4.6.6, Bazar form-field templates still apply |raw('html') to field.label / field.](https://junglewise.ai/threats/cve-2026-52772-yeswiki-stored-xss-in-bazar-form-field-templates)