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CVE-2023-2399: The QuBot WordPress plugin before 1.1.6 doesn't filter user input on chat, leading to bad code inserted on it

37
Routine
MEDIUM 6.1UPGRADE

CVE-2023-2399 is a medium-severity flaw (CVSS 6.1) affecting qubot. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The QuBot WordPress plugin before 1.1.6 doesn't filter user input on chat, leading to bad code inserted on it be reflected on the user dashboard.

Why this priority

  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score6.1 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance0.5% (top 57%)
CISA exploited listNo
Published2023-06-19
Last modified2026-06-17
Publisher (CNA): WPScan · Vendor: qudata

Share: LinkedIn · X · Reddit

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

Am I affected?

Timeline

qudata qubot UPGRADE
Affected: < 1.1.6
Fixed in: 1.1.6
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy qubot || rpm -q qubot || qubot --version
2. UPGRADE to 1.1.6 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade qubot
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade qubot
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-2023-2399?

qubot: upgrade to 1.1.6. Exact commands for each OS are on this page.

Is CVE-2023-2399 being exploited?

CVE-2023-2399 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-2023-2399 affect?

CVE-2023-2399 affects qubot. Severity is medium (CVSS 6.1). The QuBot WordPress plugin before 1.1.6 doesn't filter user input on chat, leading to bad code inserted on it be reflected on the user dashboard.

How urgent is CVE-2023-2399?

Priority 37/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

References

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