CVE-2026-64971 Reflected XSS in ATutor

Medium 4.8 Published Updated

Reflected XSS in ATutor allows attackers to execute arbitrary JavaScript in victims' browsers via crafted URLs, affecting an unsupported product.

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-2026-64971?

CVE-2026-64971 is a medium-severity cross-site scripting vulnerability in ATutor, published on 20 Aug 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

ATutor is vulnerable to Reflected XSS in restore functionality. An attacker can provide a specially crafted URL that, when opened, results in arbitrary JavaScript execution in the victim's browser. Product is no longer actively supported and the vulnerabilities have not been fixed. Only version 2.2.4 was tested and confirmed as vulnerable, other versions were not tested but might also be vulnerable.

Weakness: CWE-79

Which versions are affected by CVE-2026-64971?

How do I fix CVE-2026-64971?

No fix has been published for CVE-2026-64971 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-2026-64971 being exploited?

There is no known exploitation of CVE-2026-64971 in the wild and no public exploit code.

Sources

Also known as GHSA-327c-7vgx-8jwp.

Is CVE-2026-64971 in your software?

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