CVE-2025-1556 westboy CicadasCMS Template Management system deserialization

Medium 5.1 Published Updated

Remote attackers can exploit a deserialization flaw in the Template Management system to potentially execute arbitrary code.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-1556?

CVE-2025-1556 is a medium-severity unsafe deserialization vulnerability in westboy CicadasCMS, published on 22 Feb 2025. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A vulnerability, which was classified as problematic, has been found in westboy CicadasCMS 1.0. This issue affects some unknown processing of the file /system of the component Template Management. The manipulation leads to deserialization. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-502, CWE-20

Which versions are affected by CVE-2025-1556?

It affects 1 product.

Products include Westboy Cicadascms.

How do I fix CVE-2025-1556?

No fix has been published for CVE-2025-1556 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2025-1556 being exploited?

There is no known exploitation of CVE-2025-1556 in the wild and no public exploit code.

Sources

Also known as GHSA-w2j4-c2qg-ccfx.

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