CVE-2024-55541 Cross-site scripting in Acronis Cyber Protect 16

What is CVE-2024-55541?

CVE-2024-55541 is a low-severity cross-site scripting vulnerability in Acronis Cyber Protect, published on 2 Jan 2025. 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

Stored cross-site scripting (XSS) vulnerability due to missing origin validation in postMessage. The following products are affected: Acronis Cyber Protect 16 (Linux, Windows) before build 39169.

Weakness: CWE-79

Which versions are affected by CVE-2024-55541?

It affects 1 product.

Products include Acronis Cyber Protect.

How do I fix CVE-2024-55541?

No fix has been published for CVE-2024-55541 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-2024-55541 being exploited?

There is no known exploitation of CVE-2024-55541 in the wild and no public exploit code.

Other vulnerabilities in Acronis Cyber Protect

• CVE-2025-30411 Auth bypass in Acronis Cyber Protect 15 Critical 10.0
• CVE-2025-30412 Auth bypass in Acronis Cyber Protect 15 Critical 10.0
• CVE-2025-30416 Missing authorization in Acronis Cyber Protect 15 Critical 10.0
• CVE-2026-28710 Auth bypass in Acronis Cyber Protect 17 High 8.1
• CVE-2021-44198 DLL hijacking could lead to local privilege escalation High 7.8

All Acronis Cyber Protect vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-p4mj-rcrm-4875.