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CVE-2026-102905medium6.5

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

Impact

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…

Source excerpt · Wordfence
Applies when

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.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

spacetime · Wordfence

Ad Inserter – Ad Manager & AdSense Ads

1 range
Wordfence version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → through 2.8.19

semver versions

unaffected

unknown

Other versions: unaffected

Original source description

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.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-102905

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-94 ↗

CWE-94 Improper Control of Generation of Code

Wordfence

Related →
Contributing organizations · 2
Wordfence

Assigning organization

2026-10-30
CISA-ADP

Additional data publisher

2026-10-30

What changed

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References

5 sources
www.wordfence.com/threat-intel/vulnerabilities/id/a36f813c-97c5-466d-92e0-7341c12b5a46
Security advisoryWordfence
plugins.trac.wordpress.org/browser/ad-inserter/tags/2.8.19/class.php
Source referenceWordfence
plugins.trac.wordpress.org/browser/ad-inserter/tags/2.8.19/ad-inserter.php
Source referenceWordfence
plugins.trac.wordpress.org/browser/ad-inserter/tags/2.8.19/ad-inserter.php
Source referenceWordfence
plugins.trac.wordpress.org/changeset/3770281/ad-inserter/trunk/ad-inserter.php
PatchWordfence