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WordPress Plugin Vulnerabilities

Stop Spammers Security < 2021.18 - Authenticated Stored XSS

Description

The plugin does not escape some of its settings, allowing high privilege users such as admin to set Cross-Site Scripting payloads in them even when the unfiltered_html capability is disallowed

Proof of Concept

Put the following payload in any of the API field of the Web Services settings: " autofocus onfocus="alert(/XSS/)// 

Affects Plugins

stop-spammer-registrations-plugin
Fixed in version 2021.18

References

CVE
CVE-2021-24517

Classification

Type

XSS

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

Miscellaneous

Original Researcher

swapnil subhash bodekar

Submitter

swapnil subhash bodekar

Verified

Yes

WPVDB ID
f440edd8-94fe-440a-8a5b-e3d24dcfcbc1

Timeline

Publicly Published

2021-08-09 (about 1 years ago)

Added

2021-08-09 (about 1 years ago)

Last Updated

2022-04-12 (about 1 years ago)

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