Stop Spammers <= 2021.8 - Reflected Cross-Site Scripting

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2021-24245
CVSS Medium (6.1)
Publicly Published April 8, 2021
Last Updated January 22, 2024
Researcher Hosein_vita
Description

The Stop Spammers WordPress plugin before 2021.9 did not escape user input when blocking requests (such as matching a spam word), outputting it in an attribute after sanitising it to remove HTML tags, which is not sufficient and lead to a reflected Cross-Site Scripting issue.

References

1 affected software package

Software Type Plugin
Software Slug stop-spammer-registrations-plugin (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 2021.9
Patched Version
  • 2021.9
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