High severity · published Sep 30, 2026
CVE-2026-97291
WordPress Schema & Structured Data for WP & AMP plugin <= 1.66 - PHP Object Injection vulnerability
8.8
CVSS
0.3%
EPSS
No
On KEV
Description
Contributor PHP Object Injection in Schema & Structured Data for WP & AMP <= 1.66 versions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SS
Schema & Structured Data for WP & AMP · Magazine3
through 1.66 · source: vendor
Affected product
SS
Schema & Structured Data for WP & AMP
Magazine3
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-97291
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-97291
vdb-entry
https://patchstack.com/database/wordpress/plugin/schema-and-structured-data-for-wp/vulnerability/wordpress-schema-structured-data-for-wp-amp-plugin-1-66-php-object-injection-vulnerability?_s_id=cve
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