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GHSA-h6gj-6jjq-h8g9

MediumCVSS 6.1 / 10

Published Jul 18, 2022·Last modified Jul 21, 2025

Affected Components(0)

No affected components available

Description

Impact

Initializing a checkboxradio widget on an input enclosed within a label makes that parent label contents considered as the input label. If you call .checkboxradio( "refresh" ) on such a widget and the initial HTML contained encoded HTML entities, they will erroneously get decoded. This can lead to potentially executing JavaScript code.

For example, starting with the following initial secure HTML:

<label>
	<input id="test-input">
	&lt;img src=x onerror="alert(1)"&gt;
</label>

and calling:

$( "#test-input" ).checkboxradio();
$( "#test-input" ).checkboxradio( "refresh" );

will turn the initial HTML into:

<label>
	<!-- some jQuery UI elements -->
	<input id="test-input">
	<img src=x onerror="alert(1)">
</label>

and the alert will get executed.

Patches

The bug has been patched in jQuery UI 1.13.2.

Workarounds

To remediate the issue, if you can change the initial HTML, you can wrap all the non-input contents of the label in a span:

<label>
	<input id="test-input">
	<span>&lt;img src=x onerror="alert(1)"&gt;</span>
</label>

References

https://blog.jqueryui.com/2022/07/jquery-ui-1-13-2-released/

For more information

If you have any questions or comments about this advisory, search for a relevant issue in the jQuery UI repo. If you don't find an answer, open a new issue.

Risk Scores

Base Score

6.1

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. The attacker needs the user to perform some action, like clicking a link. The vulnerability can affect other systems as well, not just the initial system. There is a low impact on the confidentiality of the information. There is a low impact on the integrity of the data.

Threat Intelligence

5.6

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS

2.48%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit

Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

Browse More

Medium severity

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