CVE-2026-97723

Medium

Description

madpsy ka9q_ubersdr before 0.1.58 has a stored cross-site scripting (XSS) vulnerability in the chat message rendering functionality. User-controlled URLs in chat messages were insufficiently neutralized before being converted into HTML links. Quotation characters could break out of the generated href attribute and introduce attacker-controlled HTML attributes, allowing arbitrary JavaScript to execute in the browser of another user when the stored chat message was rendered. No click on the malicious link was required.

SeverityMedium

CVSS5.4

Exploit probability—

ProductMadpsy Ka9q Ubersdr

PublishedSep 25, 2026

First seenSep 25, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

madpsy ka9q_ubersdr0.1.58 or later

Patches

github.com/madpsy/ka9q_ubersdr/commit/6aa858da1c030cae11b94c7d6c72322adb9ec60d

Affected products

Product	Affected versions	Fixed in
madpsy ka9q_ubersdr	v < 0.1.58	0.1.58

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