What’s Vulnerable › Vulnerabilities

CVE-2021-24986: Post Grid < 2.1.16 - Reflected Cross-Site Scripting via keyword

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-04-11 · updated 2026-06-17
• Weakness: CWE-79

Description

The Post Grid WordPress plugin before 2.1.16 does not escape the keyword parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting in pages containing a Post Grid with a search form

Affected products

• pickplugins Post Grid: before 2.1.16 — fixed in 2.1.16

How to fix

Upgrade to a fixed version: pickplugins Post Grid 2.1.16. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/51e57f25-b8b2-44ca-9162-d7328eac64eb
• https://wpscan.com/vulnerability/51e57f25-b8b2-44ca-9162-d7328eac64eb

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