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CVE-2026-47245

🗓️ 18 Aug 2026 15:51:33Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 19 Views🌐 WEB

MyBB buddy list corruption via unchecked array_search() in usercp.php affecting versions prior to 1.8.40.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-47245
18 Aug 202615:51
attackerkb
cvelist
Cvelist
CVE-2026-47245 MyBB: Buddy list corruption
18 Aug 202615:51
cvelist
euvd
EUVD
EUVD-2026-61016
18 Aug 202615:51
euvd
nvd
NVD
CVE-2026-47245
18 Aug 202616:17
nvd
ptsecurity
Positive Technologies
PT-2026-77185
18 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-47245 MyBB: Buddy list corruption
18 Aug 202615:51
vulnrichment
Vulners
Node
mybbmybbRange<1.8.40
[
  {
    "vendor": "mybb",
    "product": "mybb",
    "versions": [
      {
        "version": "< 1.8.40",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
actionquery paramusercp.php?action=do_editlistsVulnerability in MyBB User Control Panel Buddy/Ignore List deletion updates reciprocal buddy lists, allowing incorrect reciprocal removal due to using the deleted target UID instead of the acting user UID and treating a false array_search result as index 0. This affects the delete handler and is fixed in 1.8.40.CWE-252

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18 Aug 2026 18:17Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.14.3
EPSS0.00269
SSVC
19