CVE-2026-103277 Ghost 2.5.0 before 6.34.0 Untrusted Script Execution via oEmbed

Ghost versions from 2.5.0 before 6.34.0 contain an untrusted script execution vulnerability in the oEmbed preview feature that fails to sandbox externally hosted scripts. Attackers can craft malicious oEmbed content to execute scripts in the context of a staff user's admin session, potentially...

CVE-2026-103277

Ghost versions from 2.5.0 before 6.34.0 are vulnerable to untrusted script execution within the oEmbed preview feature . The root cause is a failure to properly sandbox externally hosted scripts , allowing an attacker to craft malicious oEmbed content. This can lead to the execution of scripts in...

BIT-DISCOURSE-2026-91132 Discourse: Wildcard iframe origin allowlist bypass via authority separators

Discourse is an open-source discussion platform. Prior to 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0, sites using wildcard patterns in the allowediframes setting could accept a crafted iframe URL whose allowlisted suffix appeared after a URL authority separator. The wildcard origin check matched...

PT-2026-103976

Name of the Vulnerable Software and Affected Versions Vvveb versions prior to 1.0.8.6 Description The SSRF guard in the CMS resolves hosts using an IPv4-only function and fails to inspect IPv6 addresses. Consequently, any host lacking an A record bypasses the private-range check. An authenticated...

CVE-2026-55232: Server-Side Request Forgery (SSRF)

Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to version 1.0.8.6, Vvveb's SSRF guard resolves a host with an IPv4-only function and never inspects IPv6, so any host that lacks an A record passes a private-range check. Editor oEmbed...

CVE-2026-103277: Improper Neutralization of Input During Web Page Generation

Ghost versions from 2.5.0 before 6.34.0 contain an untrusted script execution vulnerability in the oEmbed preview feature that fails to sandbox externally hosted scripts. Attackers can craft malicious oEmbed content to execute scripts in the context of a staff user's admin session, potentially...

PT-2026-103809

Name of the Vulnerable Software and Affected Versions Ghost versions 2.5.0 through 6.33.x Description The oEmbed preview feature fails to sandbox externally hosted scripts, allowing for untrusted script execution. An attacker can create malicious oEmbed content to execute scripts within the...

PT-2026-105081

Discourse is an open-source discussion platform. Prior to 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0, sites using wildcard patterns in the allowed iframes setting could accept a crafted iframe URL whose allowlisted suffix appeared after a URL authority separator. The wildcard origin check matched...

CVE-2026-91132

Discourse is an open-source discussion platform. Prior to 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0, sites using wildcard patterns in the allowediframes setting could accept a crafted iframe URL whose allowlisted suffix appeared after a URL authority separator. The wildcard origin check matched...

CVE-2026-91132 Discourse: Wildcard iframe origin allowlist bypass via authority separators

Discourse is an open-source discussion platform. Prior to 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0, sites using wildcard patterns in the allowediframes setting could accept a crafted iframe URL whose allowlisted suffix appeared after a URL authority separator. The wildcard origin check matched...

CVE-2026-91132

The open-source discussion platform Discourse contains a vulnerability in versions prior to 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0 . Sites utilizing wildcard patterns in the allowed_iframes setting are susceptible to a bypass where a crafted iframe URL places an allowlisted suffix after a URL...

CVE-2026-91132 Discourse: Wildcard iframe origin allowlist bypass via authority separators

Discourse is an open-source discussion platform. Prior to 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0, sites using wildcard patterns in the allowediframes setting could accept a crafted iframe URL whose allowlisted suffix appeared after a URL authority separator. The wildcard origin check matched...

CVE-2026-80338

The CMB2 WordPress plugin before version 2.13.0 is vulnerable to a flaw where it fails to perform capability checks on one of its AJAX actions . This allows users with a role as low as Subscriber to create arbitrary WordPress options and corrupt existing ones, potentially breaking core site setti...

CVE-2026-80338 CMB2 < 2.13.0 - Subscriber+ Arbitrary Option Corruption via oEmbed Handler

The CMB2 WordPress plugin before 2.13.0 does not perform any capability check on one of its AJAX actions, allowing users with a role as low as Subscriber to create arbitrary WordPress options and corrupt existing ones, which can break core site settings and take the site offline. Exploitation...

CVE-2026-80338 CMB2 < 2.13.0 - Subscriber+ Arbitrary Option Corruption via oEmbed Handler

The CMB2 WordPress plugin before 2.13.0 does not perform any capability check on one of its AJAX actions, allowing users with a role as low as Subscriber to create arbitrary WordPress options and corrupt existing ones, which can break core site settings and take the site offline. Exploitation...

CVE-2026-80338: Missing Authorization

The CMB2 WordPress plugin before 2.13.0 does not perform any capability check on one of its AJAX actions, allowing users with a role as low as Subscriber to create arbitrary WordPress options and corrupt existing ones, which can break core site settings and take the site offline. Exploitation...

PT-2026-97706

Name of the Vulnerable Software and Affected Versions CMB2 WordPress plugin versions prior to 2.13.0 Description An issue exists where a lack of capability checks on an AJAX action allows users with Subscriber roles to create or corrupt arbitrary WordPress options. This can lead to the disruption...

PT-2026-98161

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.1.8 Discourse versions prior to 2026.6.3 Discourse versions prior to 2026.7.2 Discourse versions prior to 2026.8.0 Description Sites using wildcard patterns in the allowed iframes setting may accept a crafted...

CVE-2026-91132: Origin Validation Error

Discourse is an open-source discussion platform. Prior to 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0, sites using wildcard patterns in the allowediframes setting could accept a crafted iframe URL whose allowlisted suffix appeared after a URL authority separator. The wildcard origin check matched...

CVE-2026-4361

The Divi theme for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 4.27.6. This is due to the etpbsetvideooembedthumbnailresolution function using wpremoteget instead of wpsaferemoteget to fetch a remote image URL, which does not restrict requests to...