The Gallery PhotoBlocks WordPress plugin before 1.3.6 does not sanitize and escape one of its gallery settings before outputting it into an HTML attribute, allowing users with Contributor-level access and above to store JavaScript that executes in the browser of anyone who views a page containing the gallery, including administrators.

CVSS Details

CVSS 3.1 Base Score: 6.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H)

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CVSS Details

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CVE-2026-107323: Improper Neutralization of Input During Web Page Generation

CVSS Details

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