CVE-2023-53979 describes a critical chained vulnerability in MyBB 1.8.32, allowing authenticated administrators to bypass avatar upload restrictions and achieve arbitrary code execution. This flaw carries a high CVSS score of 8.8, indicating a network-exploitable vulnerability with low attack complexity that can lead to complete compromise of confidentiality, integrity, and availability. While no public exploits or active exploitation have been observed, and community discussion is minimal, its high FAUCET Risk Score of 90/100 suggests significant potential impact if exploited.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.8.32CPE matchmatch criteria | cpe:2.3:a:mybb:mybb:1.8.32:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.