CVE-2025-71240 SPIP < 4.2.15 Cross-Site Scripting via Code Tags

Q: What is CVE-2025-71240?

CVE-2025-71240 is a medium-severity cross-site scripting vulnerability in Spip Spip, published on 19 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Q: Is CVE-2025-71240 being exploited?

There is no known exploitation of CVE-2025-71240 in the wild and no public exploit code.

Medium 4.8 Published 19 Feb 2026 Updated 5 Mar 2026

Attackers can inject malicious scripts via HTML code tags in SPIP, leading to script execution in victim browsers.

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: Available

What is CVE-2025-71240?

CVE-2025-71240 is a medium-severity cross-site scripting vulnerability in Spip Spip, published on 19 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

SPIP before 4.2.15 allows Cross-Site Scripting (XSS) via crafted content in HTML code tags. The application does not properly verify JavaScript within code tags, allowing an attacker to inject malicious scripts that execute in a victim's browser.

Weakness: CWE-79

Which versions are affected by CVE-2025-71240?

It affects 1 product.

Products include Spip Spip.

How do I fix CVE-2025-71240?

Upgrade to a fixed version.

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-2025-71240 being exploited?

There is no known exploitation of CVE-2025-71240 in the wild and no public exploit code.

All Spip Spip vulnerabilities

Sources

Also known as DEBIAN-CVE-2025-71240, GHSA-3cj5-wr93-33x7, UBUNTU-CVE-2025-71240.