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CVE-2026-35055: Improper Neutralization of Input During Web Page Generation

🗓️ 01 Apr 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

XSS in XenForo before 2.3.9 and before 2.2.18 via lightbox usage in posts.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-35055
1 Apr 202600:30
–attackerkb
circl
Circl
CVE-2026-35055
31 Mar 202623:16
–circl
cnnvd
CNNVD
Xenforo 跨站脚本漏洞
1 Apr 202600:00
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cve
CVE
CVE-2026-35055
1 Apr 202600:30
–cve
cvelist
Cvelist
CVE-2026-35055 XenForo Cross-Site Scripting via Lightbox in Posts
1 Apr 202600:30
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euvd
EUVD
EUVD-2026-17741
1 Apr 202603:31
–euvd
nvd
NVD
CVE-2026-35055
1 Apr 202601:16
–nvd
ptsecurity
Positive Technologies
PT-2026-29430
1 Apr 202600:00
–ptsecurity
vulnrichment
Vulnrichment
CVE-2026-35055 XenForo Cross-Site Scripting via Lightbox in Posts
1 Apr 202600:30
–vulnrichment

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24 May 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 45.1
CVSS 3.16.1
EPSS0.00266
SSVC
0