CVE-2024-13646Network attack vector

Authenticated option tampering via unrestricted option name

Published Jan 30, 2025 · Updated Apr 8, 2026

Improper authorization in Aakash Bhagat Single-user-chat 0.5 and earlier allows remote authenticated users to modify WordPress options. The single_user_chat_update_login function accepts a requested option name and writes the value login without restricting the targeted option. Subscriber-level access is sufficient to enable settings such as registration or corrupt an option so the site returns errors and denies service.

CVSS severity8.1
High
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authorization in Aakash Bhagat Single-user-chat 0.5 and earlier allows remote authenticated users to modify WordPress options. The single_user_chat_update_login function accepts a requested option name and writes the value login without restricting the targeted option. Subscriber-level access is sufficient to enable settings such as registration or corrupt an option so the site returns errors and denies service.

The record

CVE
CVE-2024-13646
Published
Jan 30, 2025
Updated
Apr 8, 2026
Vendor
Aakash Bhagat
Product
Single-user-chat
Classifications
CWE-285, T1499.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 30, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record 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 <=0.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Aakash Bhagat · Single-user-chatversion=0 <=0.5

Published CVSS scores

8.1WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-285Improper Authorization
T1499.004Application or System Exploitation

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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