CVE-2024-13646: The Single-user-chat plugin for WordPress is vulnerable to unauthorized modification of data that can lead to

Q: How do I fix CVE-2024-13646?

single user chat: upgrade to newer than 0.5. Exact commands for each OS are on this page.

Q: Is CVE-2024-13646 being exploited?

CVE-2024-13646 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-13646 affect?

CVE-2024-13646 affects single user chat. Severity is high (CVSS 8.1). The Single-user-chat plugin for WordPress is vulnerable to unauthorized modification of data that can lead to a denial of service due to insufficient validation on the 'single_user_chat_update_login' function in all versions up to, and incl

Routine

HIGH 8.1UPGRADE

CVE-2024-13646 is a high-severity flaw (CVSS 8.1) affecting single user chat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Single-user-chat plugin for WordPress is vulnerable to unauthorized modification of data that can lead to a denial of service due to insufficient validation on the 'single_user_chat_update_login' function in all versions up to, and including, 0.5. This makes it possible for authenticated attackers, with subscriber-level access and above, to update option values to 'login' on the WordPress site. This may be leveraged to update an option that w

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-285
Published	2025-01-30
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: aakashbhagat

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-01-30 14:15 UTCPublished CVE record published
2026-06-17 07:02 UTCUpdated Record last modified

aakashbhagat single user chat UPGRADE

Affected: <= 0.5

Fixed in: newer than 0.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy single-user-chat || rpm -q single-user-chat || single-user-chat --version

2. UPGRADE to newer than 0.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade single-user-chat

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade single-user-chat

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-13646?

single user chat: upgrade to newer than 0.5. Exact commands for each OS are on this page.

Is CVE-2024-13646 being exploited?

CVE-2024-13646 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-13646 affect?

CVE-2024-13646 affects single user chat. Severity is high (CVSS 8.1). The Single-user-chat plugin for WordPress is vulnerable to unauthorized modification of data that can lead to a denial of service due to insufficient validation on the 'single_user_chat_update_login' function in all versions up to, and incl

How urgent is CVE-2024-13646?

Priority 36/100. High severity

Software pages

WordPress vulnerabilities

References

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