CVE-2022-0447Public exploitNetwork attack vector

Authenticated script execution via reflected post_types

Published Apr 11, 2022 · Updated Aug 2, 2024

Reflected XSS in PickPlugins Post Grid before 2.1.16 allows remote authenticated users to execute JavaScript via a crafted post_types value. The post_grid_update_taxonomies_terms_by_posttypes AJAX action returns post_types in its response without sanitizing or escaping it. Any authenticated WordPress account can reach the action; injected script runs in the response's browser context with that session's access.

CVSS severity6.4
Medium
EPSS probability0.64%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in PickPlugins Post Grid before 2.1.16 allows remote authenticated users to execute JavaScript via a crafted post_types value. The post_grid_update_taxonomies_terms_by_posttypes AJAX action returns post_types in its response without sanitizing or escaping it. Any authenticated WordPress account can reach the action; injected script runs in the response's browser context with that session's access.

The record

CVE
CVE-2022-0447
Published
Apr 11, 2022
Updated
Aug 2, 2024
Vendor
PickPlugins
Product
Post Grid
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 11, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.1.16 <2.1.16

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

PickPlugins · Post Gridversion=2.1.16 <2.1.16

Published CVSS scores

6.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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