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CVE-2026-2735: Improper Neutralization of Input During Web Page Generation

🗓️ 19 Feb 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 2 Views

Stored XSS in OpenCms v18.0 via the 'text' parameter in a POST request.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-2735
19 Feb 202608:38
–attackerkb
cnnvd
CNNVD
Alkacon OpenCMS 跨站脚本漏洞
19 Feb 202600:00
–cnnvd
cve
CVE
CVE-2026-2735
19 Feb 202608:38
–cve
cvelist
Cvelist
CVE-2026-2735 Stored Cross-Site Scripting (XSS) vulnerability in Alkacon's OpenCms
19 Feb 202608:38
–cvelist
nvd
NVD
CVE-2026-2735
19 Feb 202609:16
–nvd
ptsecurity
Positive Technologies
PT-2026-20772
19 Feb 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-2735
20 Feb 202613:26
–redhatcve
snyk
Snyk
Cross-site Scripting (XSS)
19 Feb 202610:09
–snyk
vulnrichment
Vulnrichment
CVE-2026-2735 Stored Cross-Site Scripting (XSS) vulnerability in Alkacon's OpenCms
19 Feb 202608:38
–vulnrichment

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23 Feb 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 45.1
CVSS 3.15.4
EPSS0.00237
SSVC
2