CVE-2025-63950

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.

PUBLISHED Reserved 2025-10-27 | Published 2025-12-18 | Updated 2025-12-18 | Assigner mitre

References

github.com/...ories/Twittodon/CVE-pending-Deserialization.md

github.com/...ob/main/advisories/Twittodon/CVE-2025-63950.md

cve.org (CVE-2025-63950)

nvd.nist.gov (CVE-2025-63950)

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