CVE-2021-24605Network attack vector

Authenticated browser script execution via unescaped AJAX response

Published Sep 13, 2021 · Updated Aug 3, 2024

Reflected XSS in Custom Post View Generator 0.4.6 and earlier allows remote authenticated users to execute script via its AJAX action. The create_post_page action returns user-controlled input in its response without sanitization or output escaping. Exploitation requires an authenticated WordPress account and user interaction, and the script can read or modify data in the victim's browser context.

CVSS severity5.4
Medium
EPSS probability0.62%
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 Custom Post View Generator 0.4.6 and earlier allows remote authenticated users to execute script via its AJAX action. The create_post_page action returns user-controlled input in its response without sanitization or output escaping. Exploitation requires an authenticated WordPress account and user interaction, and the script can read or modify data in the victim's browser context.

The record

CVE
CVE-2021-24605
Published
Sep 13, 2021
Updated
Aug 3, 2024
Vendor
Marco Constancio
Product
Custom Post View Generator
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 13, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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=0.4.6 <=0.4.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Marco Constancio · Custom Post View Generatorversion=0.4.6 <=0.4.6

Published CVSS scores

5.4NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.5NVDAV: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 exploitUnconfirmed

Weakness, pattern, technique

CWE-79CWE-79 Cross-site Scripting (XSS)
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

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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