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CVE-2026-124262

WordPress Ad Inserter plugin <= 2.8.19 - Content Injection vulnerability

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Igor Funa Ad Inserter ad-inserter allows Code Injection.This issue affects Ad Inserter: from n/a through 2.8.19.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Igorfuna Wordpress-extensions
Products
Ad Inserter Ad Inserter
CVE-2026-102905

Ad Inserter <= 2.8.19 - Unauthenticated Arbitrary Shortcode Execution via 's' Search Parameter

The The Ad Inserter – Ad Manager & AdSense Ads plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 2.8.19 This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes. Exploitation requires an administrator to have configured an ad block containing a dynamic tag such as {title}, {tag}, {category}, or {smart-tag} with display enabled on search pages, which is a normal and documented plugin configuration.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Spacetime Wordpress-extensions
Products
Ad Inserter – Ad Manager & Adsense Ads Ad Inserter
CVE-2026-118094

WordPress Ad Inserter plugin <= 2.8.18 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Igor Funa Ad Inserter ad-inserter allows Stored XSS.This issue affects Ad Inserter: from n/a through 2.8.18.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Igorfuna Wordpress-extensions
Products
Ad Inserter Ad Inserter
CVE-2026-114709

WordPress Ad Inserter plugin <= 2.8.18 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Igor Funa Ad Inserter ad-inserter allows Reflected XSS.This issue affects Ad Inserter: from n/a through 2.8.18.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Igorfuna Wordpress-extensions
Products
Ad Inserter Ad Inserter
CVE-2026-114194

WordPress Ad Inserter plugin <= 2.8.18 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Igor Funa Ad Inserter ad-inserter allows Reflected XSS.This issue affects Ad Inserter: from n/a through 2.8.18.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Igorfuna Wordpress-extensions
Products
Ad Inserter Ad Inserter
CVE-2026-107864

WordPress Ad Inserter plugin <= 2.8.18 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Igor Funa Ad Inserter ad-inserter allows Stored XSS.This issue affects Ad Inserter: from n/a through 2.8.18.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Igorfuna Wordpress-extensions
Products
Ad Inserter Ad Inserter
CVE-2026-89097

Ad Inserter <= 2.8.18 - Authenticated (Subscriber+) Sensitive Information Disclosure in 'ai-debug-processing-fe' & 'ai-debug-meta' URL Parameters

The Ad Inserter – Ad Manager & AdSense Ads plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.8.18 via the ai_wp_footer_hook. This makes it possible for authenticated attackers, with subscriber-level access and above, to extract sensitive data including the server's internal IP address, PHP configuration, WordPress and theme versions, hardening constants, the plugin's full block matrix, and all post meta values including underscore-prefixed protected keys such as API tokens and private integration state written by other plugins.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Spacetime Wordpress-extensions
Products
Ad Inserter – Ad Manager & Adsense Ads Ad Inserter
CVE-2026-89427

Ad Inserter <= 2.8.18 - Reflected Cross-Site Scripting via 's' Search Parameter

The Ad Inserter – Ad Manager & AdSense Ads plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 's' Search Parameter in all versions up to, and including, 2.8.18 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. Exploitation requires that a site administrator has configured at least one Ad Inserter block using the {title} or {short-title} placeholder with that block enabled for search pages, which is a standard, documented plugin feature.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Spacetime Wordpress-extensions
Products
Ad Inserter Ad Inserter
CVE-2026-19902

Ad Inserter <= 2.8.18 - Reflected Cross-Site Scripting via {search-query} Dynamic Tag (Referer Header)

The Ad Inserter – Ad Manager & AdSense Ads plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the Referer header in all versions up to, and including, 2.8.18 due to insufficient input sanitization and output escaping on the '{search-query}' dynamic tag. When an ad block's code contains that tag, replace_ai_tags() reads $_SERVER['HTTP_REFERER'] and tests it with the regex /[\.\/](google|yahoo|bing|ask)\.[a-z\.]{2,5}[\/]/i. The leading [\.\/] class matches a literal slash, so any referrer merely containing a segment such as '/google.com/' passes as a search-engine referral; the plugin then percent-decodes the referring query with parse_str() and substitutes the resulting 'q' (or 'p') value into the block via preg_replace() with no escaping. This makes it possible for unauthenticated attackers to execute arbitrary JavaScript in the context of the site for any visitor, including a signed-in administrator, by luring them to an attacker-controlled page that frames or links to any ordinary post. Exploitation requires the site to have an ad block whose code uses the '{search-query}' tag with automatic insertion enabled — a documented plugin feature used as intended.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Spacetime Wordpress-extensions
Products
Ad Inserter Ad Inserter
CVE-2026-81655

Ad Inserter 2.8.12 - 2.8.18 - Subscriber+ RCE / Stored XSS via Global Custom Fields

The Ad Inserter WordPress plugin before 2.8.19 does not correctly restrict access to one of its settings pages, making it reachable by every logged in user under a configuration its own settings allow, and does not filter the content saved there, allowing users with a role as low as subscriber to store code which is then executed as PHP or served unescaped to site visitors.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Ad Inserter