CVE-2024-35540 Cross-site scripting in n/a

High 7.6 Published 20 Aug 2024 Updated 20 Aug 2024

Attackers can execute arbitrary scripts in Typecho CMS via stored XSS, potentially compromising user sessions and data.

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

What is CVE-2024-35540?

CVE-2024-35540 is a high-severity cross-site scripting vulnerability in n/a, published on 20 Aug 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A stored cross-site scripting (XSS) vulnerability in Typecho v1.3.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload.

Weakness: CWE-79

Which versions are affected by CVE-2024-35540?

It affects 1 product.

Products include Typecho Typecho.

How do I fix CVE-2024-35540?

No fix has been published for CVE-2024-35540 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-2024-35540 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-35540 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-hf49-mv84-4q97.