CVE-2026-40902

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Prior to 1.30.4, 2.1.16, 2.4.5, 3.10.5, and 5.7.0, the XLSX reader's ColumnAndRowAttributes::readRowAttributes method reads row numbers from XML attributes without validating them against the spreadsheet maximum row...

CVE-2026-40902 PhpSpreadsheet: CPU Denial of Service via Unbounded Row Number in XLSX Row Dimensions

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Prior to 1.30.4, 2.1.16, 2.4.5, 3.10.5, and 5.7.0, the XLSX reader's ColumnAndRowAttributes::readRowAttributes method reads row numbers from XML attributes without validating them against the spreadsheet maximum row...

CVE-2026-40902

CVE-2026-40902 affects PhpSpreadsheet’s XLSX reader. The vulnerability arises when ColumnAndRowAttributes::readRowAttributes() reads the row index (r attribute) from XML without validating against the maximum row limit (AddressRange::MAX_ROW = 1,048,576). An attacker can craft a tiny XLSX file co...

CVE-2026-40902

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Prior to 1.30.4, 2.1.16, 2.4.5, 3.10.5, and 5.7.0, the XLSX reader's ColumnAndRowAttributes::readRowAttributes method reads row numbers from XML attributes without validating them against the spreadsheet maximum row...

EUVD-2026-29421

The Bootstrap Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the box shortcode in all versions up to, and including, 1.0. This is due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated...

CVE-2026-5340

The CVE-2026-5340 entry concerns the WordPress plugin Fancy Image Show (versions up to and including 9.1). The vulnerability is a Stored Cross-Site Scripting (XSS) in the plugin’s fancy-img-show shortcode, caused by insufficient input sanitization and output escaping on user-supplied attributes. ...

CVE-2026-5340 Fancy Image Show <= 9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

The Fancy Image Show plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's fancy-img-show shortcode in all versions up to, and including, 9.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticat...

CVE-2026-5340 Fancy Image Show <= 9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

The Fancy Image Show plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's fancy-img-show shortcode in all versions up to, and including, 9.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticat...

WordPress plugin Fancy Image Show 跨站脚本漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows users to create personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application that can be installed t...

WordPress plugin Voyage Plus 跨站脚本漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application extension. WordPres...

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...

CVE-2026-42612

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting XSS vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss function when handling unquoted HTML event attribute...

CVE-2026-42612 Grav: Publisher-Level Stored XSS via Unquoted Event Attributes

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting XSS vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss function when handling unquoted HTML event attribute...

CVE-2026-42612 Grav: Publisher-Level Stored XSS via Unquoted Event Attributes

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting XSS vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss function when handling unquoted HTML event attribute...

CVE-2026-42612 Grav: Publisher-Level Stored XSS via Unquoted Event Attributes

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting XSS vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss function when handling unquoted HTML event attribute...

CVE-2026-42612

Grav: Publisher-level stored XSS in getgrav/grav due to a flawed blacklist in detectXss() that mishandles unquoted HTML event attributes. This allows arbitrary JavaScript execution via crafted content prior to 2.0.0-beta.2. The issue is fixed in Grav core on the 2.0 branch; upgrade to 2.0.0-beta....

CVE-2026-42841

Grav CMS stores image attributes via Markdown media action parameters. Before 2.0.0-beta.2, an authenticated page editor could inject a JavaScript event handler by calling attribute(name, value) through image query parameters (e.g., ?attribute=onload,alert(...)). The attack results in a stored XS...

CVE-2026-42841 Grav: Stored XSS via Markdown media attribute() action in Grav CMS

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an authenticated user with page editing permissions can inject an executable JavaScript event-handler attribute into rendered image HTML through Grav's Markdown media action syntax. The issue is caused by Markdown image query parameters...

CVE-2026-42841 Grav: Stored XSS via Markdown media attribute() action in Grav CMS

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an authenticated user with page editing permissions can inject an executable JavaScript event-handler attribute into rendered image HTML through Grav's Markdown media action syntax. The issue is caused by Markdown image query parameters...

glib: Integer Overflow in GLib GIO Attribute Escaping Causes Heap Buffer Overflow

A flaw was found in glib. This vulnerability allows a heap buffer overflow and denial-of-service DoS via an integer overflow in GLib's GIO GLib Input/Output escapebytestring function when processing malicious file or remote filesystem attribute values...