CVE-2020-35936

Severity: high (CVSS 8.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-01-01 · updated 2026-06-17
Weakness: CWE-79

Description

Stored Cross-Site Scripting (XSS) vulnerabilities in the Post Grid plugin before 2.0.73 for WordPress allow remote authenticated attackers to import layouts including JavaScript supplied via a remotely hosted crafted payload in the source parameter via AJAX. The action must be set to post_grid_import_xml_layouts.

Affected products

pickplugins Post Grid: before 2.0.73 — fixed in 2.0.73
PickPlugins Team Showcase: before 1.22.16 — fixed in 1.22.16

How to fix

Upgrade to a fixed version: pickplugins Post Grid 2.0.73; PickPlugins Team Showcase 1.22.16. Check the vendor advisory for mitigations.

References

https://www.wordfence.com/blog/2020/10/high-severity-vulnerabilities-in-post-grid-and-team-showcase-plugins/
https://www.wordfence.com/blog/2020/10/high-severity-vulnerabilities-in-post-grid-and-team-showcase-plugins/

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