CVE-2026-97278

Deserialization of Untrusted Data vulnerability in WP SYNTEX Polylang polylang allows Object…

Risk score: 51/100
CVSS: 7.2 v3.1
Exploit chance (30 days): 0.4%
Published: 14 Oct 2026

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What to know

What it is: Deserialization of Untrusted Data vulnerability in WP SYNTEX Polylang polylang allows Object Injection.This issue affects Polylang: from n/a through 3.8.9.
Affected: See advisory
Fix: Apply the vendor's security update; see the linked advisory.
Exploitation: No known exploitation

Why it is Yellow

CVSS 7.2 high

References

https://patchstack.com/database/wordpress/plugin/polylang/vulnerability/wordpress-polylang-plugin-3-8-9-php-object-injection-vulnerability?_s_id=cve

Original description

Deserialization of Untrusted Data vulnerability in WP SYNTEX Polylang polylang allows Object Injection.This issue affects Polylang: from n/a through 3.8.9.

Last activity 14 Oct 2026. Patch Forecast updates every hour.