CVE-2026-54443 Dashy: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Medium 5.9 Published Updated

Attackers can execute arbitrary JavaScript in the Dashy origin via malicious RSS feed links, potentially leading to session hijacking or data theft.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-54443?

CVE-2026-54443 is a medium-severity cross-site scripting vulnerability in lissy93 dashy, published on 15 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Dashy is a self-hostable personal dashboard. From 1.9.4 until 3.2.0, the Dashy RSS Widget in src/components/Widgets/RssFeed.vue does not sanitize RSS item link values before rendering feed item titles and Read More links as anchor href attributes, allowing an attacker-controlled feed to provide a javascript: URI that executes when clicked in the Dashy origin. This issue is fixed in version 3.2.0.

Weakness: CWE-84, CWE-80

Which versions are affected by CVE-2026-54443?

How do I fix CVE-2026-54443?

No fix has been published for CVE-2026-54443 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-54443 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-54443 exists.

Sources

Also known as GHSA-2x3v-qmgm-r8hv.

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