CVE-2021-24932Public exploitNetwork attack vector

Reflected XSS via unsanitized post_id output

Published Dec 13, 2021 · Updated Aug 3, 2024

Cross-site scripting in Auto Featured Image (Auto Post Thumbnail) before 3.9.3 allows remote attackers to execute JavaScript via crafted post_id requests. The admin upload page reflects post_id into a JavaScript block without sanitizing or escaping the value, allowing script injection in the WordPress origin. Exploitation requires a victim to visit a crafted administrative URL while authenticated, with impact bounded to actions and data available in that victim session.

CVSS severity6.1
Medium
EPSS probability0.80%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Auto Featured Image (Auto Post Thumbnail) before 3.9.3 allows remote attackers to execute JavaScript via crafted post_id requests. The admin upload page reflects post_id into a JavaScript block without sanitizing or escaping the value, allowing script injection in the WordPress origin. Exploitation requires a victim to visit a crafted administrative URL while authenticated, with impact bounded to actions and data available in that victim session.

The record

CVE
CVE-2021-24932
Published
Dec 13, 2021
Updated
Aug 3, 2024
Vendor
Query Solutions Ltd.
Product
Auto Featured Image (Auto Post Thumbnail)
Classifications
CWE-79, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 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=3.9.3 <3.9.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Query Solutions Ltd. · Auto Featured Image (Auto Post Thumbnail)version=3.9.3 <3.9.3

Published CVSS scores

4.3NVDAV:N/AC:M/Au:N/C:N/I:P/A:N
6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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-79Cross-site Scripting (XSS)
T1189Drive-by Compromise

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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