EUVD-2026-89577

The Frontend Post Submission Manager Lite – Frontend Posting WordPress Plugin plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting via postcontent Parameter data-label DOM Sink in all versions up to, and including, 1.3.4 due to insufficient input sanitization and output...

CVE-2026-18119

Concrete CMS below 9.5.3 did not sanitize custom style values in the Block Design dialog before writing them into page CSS via a DOM sink, permitting stored cross-site scripting. An editor-level user could execute script in an administrator's session and escalate privileges. The Concrete CMS...

CVE-2026-18119 Concrete CMS below 9.5.3 is vulnerable to Stored XSS via unsanitized inline block custom style values

Concrete CMS below 9.5.3 did not sanitize custom style values in the Block Design dialog before writing them into page CSS via a DOM sink, permitting stored cross-site scripting. An editor-level user could execute script in an administrator's session and escalate privileges. The Concrete CMS...

CVE-2026-18119 Concrete CMS below 9.5.3 is vulnerable to Stored XSS via unsanitized inline block custom style values

Concrete CMS below 9.5.3 did not sanitize custom style values in the Block Design dialog before writing them into page CSS via a DOM sink, permitting stored cross-site scripting. An editor-level user could execute script in an administrator's session and escalate privileges. The Concrete CMS...

CVE-2026-18119 Concrete CMS below 9.5.3 is vulnerable to Stored XSS via unsanitized inline block custom style values

Concrete CMS below 9.5.3 did not sanitize custom style values in the Block Design dialog before writing them into page CSS via a DOM sink, permitting stored cross-site scripting. An editor-level user could execute script in an administrator's session and escalate privileges. The Concrete CMS...

EUVD-2026-77805

Concrete CMS below 9.5.3 did not sanitize custom style values in the Block Design dialog before writing them into page CSS via a DOM sink, permitting stored cross-site scripting. An editor-level user could execute script in an administrator's session and escalate privileges. The Concrete CMS...

CVE-2026-18119

Concrete CMS versions below 9.5.3 are vulnerable to a stored cross-site scripting (XSS) flaw in the Block Design dialog. Custom style values were not sanitized before being written into page CSS via a DOM sink, allowing an editor-level user to inject script that executes in an administrator's ses...

PT-2026-91438

Concrete CMS below 9.5.3 did not sanitize custom style values in the Block Design dialog before writing them into page CSS via a DOM sink, permitting stored cross-site scripting. An editor-level user could execute script in an administrator's session and escalate privileges. The Concrete CMS...

CVE-2026-18119: Improper Neutralization of Input During Web Page Generation

Concrete CMS below 9.5.3 did not sanitize custom style values in the Block Design dialog before writing them into page CSS via a DOM sink, permitting stored cross-site scripting. An editor-level user could execute script in an administrator's session and escalate privileges. The Concrete CMS...

CVE-2026-67189

pfSense Plus before 26.07 and pfSense CE through 2.8.1 contain a stored cross-site scripting vulnerability in the Traffic Graphs top-talkers feature, where PTR records returned by reverse DNS lookups are incorporated without sanitization into AJAX responses and rendered as HTML through a DOM sink...

CVE-2026-67189

pfSense Plus before 26.07 and CE through 2.8.1 render PTR records as unsanitized HTML in Traffic Graphs AJAX responses. An attacker controlling a PTR record who appears as a top talker can execute arbitrary JavaScript in an admin's browser, enabling session hijacking and OS command execution. Fix...

CVE-2026-67189 pfSense Plus/CE Stored XSS via Traffic Graphs PTR Record

pfSense Plus before 26.07 and pfSense CE through 2.8.1 contain a stored cross-site scripting vulnerability in the Traffic Graphs top-talkers feature, where PTR records returned by reverse DNS lookups are incorporated without sanitization into AJAX responses and rendered as HTML through a DOM sink...