CVE-2021-24788Public exploitNetwork attack vector

Post category tampering via unrestricted AJAX actions

Published Nov 8, 2021 · Updated Aug 3, 2024

Incorrect authorization in Lenin Lee Batch Cat 0.3 and earlier allows remote authenticated users to alter post categories via AJAX. The bcat_set_category, bcat_add_category, and bcat_delete_category actions accept post and category identifiers without restricting access by WordPress role or capability. Subscriber-level access is sufficient to add, replace, or delete category assignments on arbitrary posts, affecting content integrity.

CVSS severity6.5
Medium
EPSS probability0.90%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in Lenin Lee Batch Cat 0.3 and earlier allows remote authenticated users to alter post categories via AJAX. The bcat_set_category, bcat_add_category, and bcat_delete_category actions accept post and category identifiers without restricting access by WordPress role or capability. Subscriber-level access is sufficient to add, replace, or delete category assignments on arbitrary posts, affecting content integrity.

The record

CVE
CVE-2021-24788
Published
Nov 8, 2021
Updated
Aug 3, 2024
Vendor
Lenin Lee
Product
Batch Cat
Classifications
CWE-863, T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 8, 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=0.3 <=0.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Lenin Lee · Batch Catversion=0.3 <=0.3

Published CVSS scores

4.0NIST NVDAV:N/AC:L/Au:S/C:N/I:P/A:N
6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/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.

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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-863Incorrect Authorization
T1565.001Stored Data Manipulation

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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