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CVE-2026-45118

🗓️ 18 Aug 2026 15:55:27Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

MyBB Contact module passes unchecked from/Referer to redirect(), enabling reflected XSS and open redirect before 1.8.40.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-45118
18 Aug 202615:55
attackerkb
circl
Circl
CVE-2026-45118
18 Aug 202618:09
circl
cvelist
Cvelist
CVE-2026-45118 MyBB: Contact page reflected XSS
18 Aug 202615:55
cvelist
euvd
EUVD
EUVD-2026-61021
18 Aug 202615:55
euvd
nvd
NVD
CVE-2026-45118
18 Aug 202616:17
nvd
ptsecurity
Positive Technologies
PT-2026-77172
18 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-45118 MyBB: Contact page reflected XSS
18 Aug 202615:55
vulnrichment
Vulners
Node
mybbmybbRange<1.8.40
[
  {
    "vendor": "mybb",
    "product": "mybb",
    "versions": [
      {
        "version": "< 1.8.40",
        "status": "affected"
      }
    ]
  }
]

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18 Aug 2026 18:17Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.19.3
EPSS0.00038
SSVC
7