CVE-2025-52620 HCL BigFix SaaS Authentication Service is affected by a Cross-Site Scripting (XSS) vulnerability

Medium 4.3 Published Updated

Attackers can execute arbitrary scripts via malicious image uploads in HCL BigFix SaaS, potentially compromising user sessions.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-52620?

CVE-2025-52620 is a medium-severity cross-site scripting vulnerability in HCL Software BigFix SaaS Remediate, published on 15 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

HCL BigFix SaaS Authentication Service is affected by a Cross-Site Scripting (XSS) vulnerability. The image upload functionality inadequately validated the submitted image format.

Weakness: CWE-79, CWE-20

Which versions are affected by CVE-2025-52620?

It affects 1 product.

Products include Hcltech Bigfix Saas.

How do I fix CVE-2025-52620?

No fix has been published for CVE-2025-52620 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-2025-52620 being exploited?

There is no known exploitation of CVE-2025-52620 in the wild and no public exploit code.

Sources

Also known as GHSA-57xj-cch5-fh92.

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