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.
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Fixes

Solution

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Workaround

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History

Thu, 18 Dec 2025 22:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-502
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 18 Dec 2025 20:30:00 +0000

Type Values Removed Values Added
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.
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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-12-18T21:20:56.473Z

Reserved: 2025-10-27T00:00:00.000Z

Link: CVE-2025-63950

cve-icon Vulnrichment

Updated: 2025-12-18T21:20:53.747Z

cve-icon NVD

Status : Received

Published: 2025-12-18T21:15:54.970

Modified: 2025-12-18T22:15:59.950

Link: CVE-2025-63950

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses