CVE-2025-63950
High
Description
An insecure deserialization vulnerability exists in the download.php script of the to3k Twittodon application through commit b1c58a7d1dc664b38deb486ca290779621342c0b (2023-02-28). The 'obj' parameter receives base64-encoded data that is passed directly to the unserialize() function without validation. This allows a remote, unauthenticated attacker to inject arbitrary PHP objects, leading to a denial of service.
SeverityHigh
CVSS7.5
Exploit probability—
ProductTomaszdunia Twittodon
PublishedDec 18, 2025
First seenDec 18, 2025
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tomaszdunia twittodon | v ≤ 2023-02-28 | — |
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