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CVE-2026-35453

🗓️ 06 May 2026 20:22:01Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 17 Views

CVE-2026-35453: HTML Writer fails to escape for custom formats with @ and literal text, enabling injection.

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Refs
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attackerkb
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CVE-2026-35453
5 May 202619:39
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circl
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CVE-2026-35453
5 May 202621:34
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cnnvd
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5 May 202600:00
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cvelist
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5 May 202619:39
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euvd
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5 May 202619:39
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github
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PhpSpreadsheet has XSS via NumberFormat @ Text Substitution in HTML Writer
28 Apr 202622:50
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mend
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CVE-2026-35453
5 May 202619:39
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nvd
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CVE-2026-35453
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osv_clsa
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CLSA-2026-1783904633 TuxCare security update for phpoffice/phpspreadsheet (5 CVEs)
4 Aug 202614:52
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06 May 2026 20:22Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.4
CVSS 44.8
EPSS0.00202
SSVC
17