PT-2026-56151

Name of the Vulnerable Software and Affected Versions Excelize versions prior to 2.11.0 Description The checkSheet function in github.com/xuri/excelize/v2 fails to validate the XML attribute value before using it as the length argument for a slice allocation in makexlsxRow, row. This lack of...

PT-2026-56158

Name of the Vulnerable Software and Affected Versions Excelize versions prior to 2.11.0 Description The streaming worksheet reader used by the Rows and GetRows functions does not enforce the TotalRows limit on the row r attribute. An attacker can provide a small XLSX file containing a row number...

PT-2026-56159

Name of the Vulnerable Software and Affected Versions Excelize versions prior to 2.11.0 Description Excelize is a Go language library used for reading and writing Microsoft Excel spreadsheets. The library parses shared-string cell values using the strconv.Atoi function but only verifies the upper...

Cross-site Scripting (XSS)

Overview org.webjars.npm:showdown is a JavaScript Markdown to HTML converter. Affected versions of this package are vulnerable to Cross-site Scripting XSS in metadata title handling, which inserts markdown frontmatter metadata into the HTML element without escaping the less-than and greater-than...

Cross-site Scripting (XSS)

Overview showdown is a JavaScript Markdown to HTML converter. Affected versions of this package are vulnerable to Cross-site Scripting XSS in metadata title handling, which inserts markdown frontmatter metadata into the HTML element without escaping the less-than and greater-than characters. An...

GHSA-XRQC-P465-2XVG Craft CMS: Stored XSS via Structure entry title in table view

Stored XSS via Structure entry title in table view Summary An Author-level control panel user can store a JavaScript payload in an entry title. When an admin, or any control panel user with saveEntries for the same Structure section, drags another entry under the poisoned entry in table view, the...

GHSA-CR32-G25G-VXJJ showdown metadata title handling allows cross-site scripting

showdown contains a cross-site scripting vulnerability in metadata title handling that allows attackers to inject arbitrary HTML and JavaScript. When completeHTMLDocument option is enabled, unescaped less-than and greater-than characters in markdown frontmatter metadata are inserted directly into...

showdown metadata title handling allows cross-site scripting

showdown contains a cross-site scripting vulnerability in metadata title handling that allows attackers to inject arbitrary HTML and JavaScript. When completeHTMLDocument option is enabled, unescaped less-than and greater-than characters in markdown frontmatter metadata are inserted directly into...

Cross-site Scripting (XSS)

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the CraftSupportWidget.js process. An attacker can execute arbitrary JavaScript code in the admin's control panel session by crafting a malicious GitHub issue tit...

GHSA-24X4-J6X9-RFW5 Craft CMS: DOM XSS via GitHub issue title in CraftSupport widget

Summary An attacker with only a GitHub account can plant a JavaScript payload in a craftcms/cms issue title. When a Craft admin uses the CraftSupport widget’s "Give feedback" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session...

Craft CMS: DOM XSS via GitHub issue title in CraftSupport widget

Summary An attacker with only a GitHub account can plant a JavaScript payload in a craftcms/cms issue title. When a Craft admin uses the CraftSupport widget’s "Give feedback" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session...

CVE-2026-59711

showdown contains a cross-site scripting vulnerability in metadata title handling that allows attackers to inject arbitrary HTML and JavaScript. When completeHTMLDocument option is enabled, unescaped less-than and greater-than characters in markdown frontmatter metadata are inserted directly into...

CVE-2026-59711 showdown - Cross-Site Scripting via Unescaped Metadata Title in completeHTMLDocument

showdown contains a cross-site scripting vulnerability in metadata title handling that allows attackers to inject arbitrary HTML and JavaScript. When completeHTMLDocument option is enabled, unescaped less-than and greater-than characters in markdown frontmatter metadata are inserted directly into...

EUVD-2026-41948

showdown contains a cross-site scripting vulnerability in metadata title handling that allows attackers to inject arbitrary HTML and JavaScript. When completeHTMLDocument option is enabled, unescaped less-than and greater-than characters in markdown frontmatter metadata are inserted directly into...

CVE-2026-59711

CVE-2026-59711 affects the showdown library. A cross-site scripting vulnerability exists in metadata title handling when the completeHTMLDocument option is enabled; unescaped characters in markdown frontmatter metadata are placed into HTML title tags, allowing script execution in the rendered pa...

CVE-2026-59711

showdown contains a cross-site scripting vulnerability in metadata title handling that allows attackers to inject arbitrary HTML and JavaScript. When completeHTMLDocument option is enabled, unescaped less-than and greater-than characters in markdown frontmatter metadata are inserted directly into...

CVE-2026-59711 showdown - Cross-Site Scripting via Unescaped Metadata Title in completeHTMLDocument

showdown contains a cross-site scripting vulnerability in metadata title handling that allows attackers to inject arbitrary HTML and JavaScript. When completeHTMLDocument option is enabled, unescaped less-than and greater-than characters in markdown frontmatter metadata are inserted directly into...

CVE-2026-59711 showdown - Cross-Site Scripting via Unescaped Metadata Title in completeHTMLDocument

showdown contains a cross-site scripting vulnerability in metadata title handling that allows attackers to inject arbitrary HTML and JavaScript. When completeHTMLDocument option is enabled, unescaped less-than and greater-than characters in markdown frontmatter metadata are inserted directly into...

CVE-2026-59711: Improper Neutralization of Input During Web Page Generation

showdown contains a cross-site scripting vulnerability in metadata title handling that allows attackers to inject arbitrary HTML and JavaScript. When completeHTMLDocument option is enabled, unescaped less-than and greater-than characters in markdown frontmatter metadata are inserted directly into...

PT-2026-56013

Name of the Vulnerable Software and Affected Versions showdown affected versions not specified Description An issue exists in metadata title handling that allows the injection of arbitrary HTML and JavaScript. When the completeHTMLDocument option is enabled, unescaped less-than and greater-than...