MyBB 1.8.32 contains a chained vulnerability that allows authenticated administrators to bypass avatar upload restrictions and execute arbitrary code. Attackers can modify upload path settings, upload a malicious PHP-embedded image file, and execute commands through the language configuration editing interface.
Metrics
Affected Vendors & Products
References
History
Sat, 27 Dec 2025 19:30:00 +0000
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Fri, 26 Dec 2025 16:15:00 +0000
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| CPEs | cpe:2.3:a:mybb:mybb:1.8.32:*:*:*:*:*:*:* |
Tue, 23 Dec 2025 23:00:00 +0000
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Mon, 22 Dec 2025 22:15:00 +0000
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Mon, 22 Dec 2025 21:45:00 +0000
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| Description | MyBB 1.8.32 contains a chained vulnerability that allows authenticated administrators to bypass avatar upload restrictions and execute arbitrary code. Attackers can modify upload path settings, upload a malicious PHP-embedded image file, and execute commands through the language configuration editing interface. | |
| Title | MyBB 1.8.32 Authenticated Remote Code Execution via Chained Vulnerabilities | |
| Weaknesses | CWE-22 | |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2025-12-22T21:35:35.951Z
Updated: 2025-12-27T19:04:41.880Z
Reserved: 2025-12-20T16:31:20.899Z
Link: CVE-2023-53979
Updated: 2025-12-27T19:04:41.880Z
Status : Modified
Published: 2025-12-22T22:16:03.540
Modified: 2025-12-27T19:15:40.903
Link: CVE-2023-53979
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