CVE-2025-15454 zhanglun lettura RSS ContentRender.tsx cross site scripting

Low 2.3 Published Updated

Remote attackers can execute arbitrary scripts in Lettura RSS reader via crafted RSS content, requiring user interaction.

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-2025-15454?

CVE-2025-15454 is a low-severity cross-site scripting vulnerability in zhanglun lettura, published on 5 Jan 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

A vulnerability was detected in zhanglun lettura up to 0.1.22. This issue affects some unknown processing of the file src/components/ArticleView/ContentRender.tsx of the component RSS Handler. The manipulation results in cross site scripting. The attack can be executed remotely. This attack is characterized by high complexity. The exploitability is assessed as difficult. The exploit is now public and may be used. The patch is identified as 67213093db9923e828a6e3fd8696a998c85da2d4. It is best practice to apply a patch to resolve this issue.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2025-15454?

How do I fix CVE-2025-15454?

No fix has been published for CVE-2025-15454 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-2025-15454 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15454 exists.

Sources

Also known as GHSA-6fpp-9pqw-wr8m.

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