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CVE-2026-27458: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

🗓️ 21 Feb 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Authenticated Stored XSS in LinkAce 2.4.2 and below via CDATA-breaking in Atom feeds.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-27458
21 Feb 202606:54
–attackerkb
cnnvd
CNNVD
LinkAce 安全漏洞
21 Feb 202600:00
–cnnvd
cve
CVE
CVE-2026-27458
21 Feb 202606:54
–cve
cvelist
Cvelist
CVE-2026-27458 LinkAce: Stored XSS in Atom Feed via CDATA Escape in List Description
21 Feb 202606:54
–cvelist
nvd
NVD
CVE-2026-27458
21 Feb 202607:16
–nvd
ptsecurity
Positive Technologies
PT-2026-21363
21 Feb 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-27458
23 Feb 202613:30
–redhatcve
vulnrichment
Vulnrichment
CVE-2026-27458 LinkAce: Stored XSS in Atom Feed via CDATA Escape in List Description
21 Feb 202606:54
–vulnrichment

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24 Feb 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.4
CVSS 48.7
EPSS0.00257
SSVC
0