CVE Explorer

CVE-2026-11900

The Ad Inserter – Ad Manager & AdSense Ads plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to and including 2.8.16 via the 'data' attribute of the [adinserter] shortcode. This is due to the replace_ai_tags() function processing a {reusable-block-N} tag pattern that calls get_post_field('post_content', N) without verifying the requesting user's capability with current_user_can('read_post'), without restricting the post type to 'wp_block', and without checking

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6c00dac38f8364631e69d32efbcd3501b490ef9c89814618178eefa2b02582a9

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"Ad Inserter – Ad Manager & AdSense Ads","vendor":"spacetime","versions":[{"lessThanOrEqual":"2.8.16","status":"affected","version":"0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:3f802c368c3e76425533968896c49297ab8827cb89257b1ab18c91b6dc8a533c · sha256:51ca6050508a84c7… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:3f802c368c3e76425533968896c49297ab8827cb89257b1ab18c91b6dc8a533c · sha256:51ca6050508a84c7… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-639","description":"CWE-639 Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:3f802c368c3e76425533968896c49297ab8827cb89257b1ab18c91b6dc8a533c · sha256:51ca6050508a84c7… · /containers/cna/problemTypes/0/descriptions/0

Source references

10 source assertions

{"url":"https://plugins.trac.wordpress.org/browser/ad-inserter/tags/2.8.13/ad-inserter.php#L10569"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3f802c368c3e76425533968896c49297ab8827cb89257b1ab18c91b6dc8a533c · sha256:51ca6050508a84c7… · /containers/cna/references/6

{"url":"https://plugins.trac.wordpress.org/browser/ad-inserter/tags/2.8.13/ad-inserter.php#L10818"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3f802c368c3e76425533968896c49297ab8827cb89257b1ab18c91b6dc8a533c · sha256:51ca6050508a84c7… · /containers/cna/references/7

{"url":"https://plugins.trac.wordpress.org/browser/ad-inserter/tags/2.8.13/ad-inserter.php#L13083"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3f802c368c3e76425533968896c49297ab8827cb89257b1ab18c91b6dc8a533c · sha256:51ca6050508a84c7… · /containers/cna/references/5

{"url":"https://plugins.trac.wordpress.org/browser/ad-inserter/tags/2.8.13/ad-inserter.php#L2101"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3f802c368c3e76425533968896c49297ab8827cb89257b1ab18c91b6dc8a533c · sha256:51ca6050508a84c7… · /containers/cna/references/8

{"url":"https://plugins.trac.wordpress.org/browser/ad-inserter/tags/2.8.16/ad-inserter.php#L10569"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3f802c368c3e76425533968896c49297ab8827cb89257b1ab18c91b6dc8a533c · sha256:51ca6050508a84c7… · /containers/cna/references/2

{"url":"https://plugins.trac.wordpress.org/browser/ad-inserter/tags/2.8.16/ad-inserter.php#L10818"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3f802c368c3e76425533968896c49297ab8827cb89257b1ab18c91b6dc8a533c · sha256:51ca6050508a84c7… · /containers/cna/references/3

{"url":"https://plugins.trac.wordpress.org/browser/ad-inserter/tags/2.8.16/ad-inserter.php#L13083"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3f802c368c3e76425533968896c49297ab8827cb89257b1ab18c91b6dc8a533c · sha256:51ca6050508a84c7… · /containers/cna/references/1

{"url":"https://plugins.trac.wordpress.org/browser/ad-inserter/tags/2.8.16/ad-inserter.php#L2101"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3f802c368c3e76425533968896c49297ab8827cb89257b1ab18c91b6dc8a533c · sha256:51ca6050508a84c7… · /containers/cna/references/4

{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3591792%40ad-inserter&new=3591792%40ad-inserter&sfp_email=&sfph_mail="}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3f802c368c3e76425533968896c49297ab8827cb89257b1ab18c91b6dc8a533c · sha256:51ca6050508a84c7… · /containers/cna/references/9

{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/20f0e9ae-786b-4ba8-a6d5-92bf31ebc2c7?source=cve"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3f802c368c3e76425533968896c49297ab8827cb89257b1ab18c91b6dc8a533c · sha256:51ca6050508a84c7… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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