PhpSpreadsheet 安全漏洞

PhpSpreadsheet is a PHP library developed by PHPOffice, designed for reading and writing spreadsheet files. Vulnerabilities exist in versions prior to 1.30.4, 2.1.16, 2.4.5, 3.10.5, and 5.7.0 of PhpSpreadsheet. These vulnerabilities stem from the XLSX reader’s...

PT-2026-40195

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...

Security Updates for Microsoft Office Online Server (May 2026)

The Microsoft Office Online Server or Office Web Apps installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities: - Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. CVE-2026-40359 -...

Microsoft Excel 安全漏洞

Microsoft Excel is a spreadsheet software within the Office suite developed by Microsoft Corporation. There are security vulnerabilities in Microsoft Excel. Attackers can exploit these vulnerabilities to execute code remotely. The following products and versions are affected: Office Online Server...

Microsoft Excel 缓冲区错误漏洞

Microsoft Excel is a spreadsheet software within the Office suite developed by Microsoft Corporation. There is a buffer error vulnerability in Microsoft Excel. Attackers can exploit this vulnerability to obtain sensitive information. The following products and versions are affected: Office Online...

GHSA-JWF8-PV5P-VHMC Open WebUI has stored XSS in Excel file preview

Summary Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated HTML. This is subsequently added to the DOM unsanitized via @html causing the payload to trigger. Details The...

Open WebUI has stored XSS in Excel file preview

Summary Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated HTML. This is subsequently added to the DOM unsanitized via @html causing the payload to trigger. Details The...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS in the process that previews Excel file attachments using the sheettohtml function. An attacker can execute arbitrary scripts in the context of the victim's browser by uploading a...

CVE-2026-42267

Kimai is an open-source time tracking application. From version 2.27.0 to before version 2.54.0, any ROLEUSER can create a tag with a formula string as its name e.g. =SUM54+51 via POST /api/tags and assign it to a timesheet. When an admin exports timesheets to XLSX, ArrayFormatter.formatValue joi...

CVE-2026-42267 Kimai: Formula Injection via tag names in XLSX export

Kimai is an open-source time tracking application. From version 2.27.0 to before version 2.54.0, any ROLEUSER can create a tag with a formula string as its name e.g. =SUM54+51 via POST /api/tags and assign it to a timesheet. When an admin exports timesheets to XLSX, ArrayFormatter.formatValue joi...

CVE-2026-42267 Kimai: Formula Injection via tag names in XLSX export

Kimai is an open-source time tracking application. From version 2.27.0 to before version 2.54.0, any ROLEUSER can create a tag with a formula string as its name e.g. =SUM54+51 via POST /api/tags and assign it to a timesheet. When an admin exports timesheets to XLSX, ArrayFormatter.formatValue joi...

CVE-2026-42267

Kimai is an open-source time tracking application. From version 2.27.0 to before version 2.54.0, any ROLEUSER can create a tag with a formula string as its name e.g. =SUM54+51 via POST /api/tags and assign it to a timesheet. When an admin exports timesheets to XLSX, ArrayFormatter.formatValue joi...

PT-2026-39266

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.8.0 Description Excel file attachments are previewed unsafely. A crafted XLSX file can cause the sheet to html function to embed a Cross-Site Scripting XSS payload into the generated HTML. This content is then...

kimai 安全漏洞

Kimai is a web-based, multi-user time tracking application developed by Kimai’s individual developers. Versions of Kimai from 2.27.0 to 2.54.0 contained security vulnerabilities. These vulnerabilities stemmed from the possibility for any ROLEUSER to create tags with formula strings as names using...

EUVD-2025-209695

HCL BigFix Service Management SM does not adequately sanitize or safely render spreadsheet files CSV, XLS, XLSX before processing or distributing them. An attacker could populate data fields which, when saved to a CSV file, may attempt information exfiltration or other malicious activity when...

CVE-2025-31978

HCL BigFix Service Management SM does not adequately sanitize or safely render spreadsheet files CSV, XLS, XLSX before processing or distributing them. An attacker could populate data fields which, when saved to a CSV file, may attempt information exfiltration or other malicious activity when...

CVE-2025-31978 HCL BigFix Service Management (SM) does not adequately sanitize or safely render

HCL BigFix Service Management SM does not adequately sanitize or safely render spreadsheet files CSV, XLS, XLSX before processing or distributing them. An attacker could populate data fields which, when saved to a CSV file, may attempt information exfiltration or other malicious activity when...

CVE-2025-31978

HCL BigFix Service Management SM does not adequately sanitize or safely render spreadsheet files CSV, XLS, XLSX before processing or distributing them. An attacker could populate data fields which, when saved to a CSV file, may attempt information exfiltration or other malicious activity when...

GHSA-3XC2-H5R3-WV3R Kimai vulnerable to formula Injection via tag names in XLSX export

Summary Any ROLEUSER can create a tag with a formula string as its name e.g. =SUM54+51 via POST /api/tags and assign it to a timesheet. When an admin exports timesheets to XLSX, ArrayFormatter.formatValue joins tag names with implode and returns the result unchanged. OpenSpout promotes any...

PT-2026-37257

Name of the Vulnerable Software and Affected Versions Kimai versions 2.27.0 through 2.53.x Description Users with ROLE USER privileges can create a tag containing a formula string such as =SUM54+51 via the 'POST /api/tags' endpoint and assign it to a timesheet. The ArrayFormatter.formatValue...