CVE-2023-5691: The Chatbot for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings

Q: How do I fix CVE-2023-5691?

chatbot: upgrade to newer than 2.3.9. Exact commands for each OS are on this page.

Q: Is CVE-2023-5691 being exploited?

CVE-2023-5691 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-2023-5691 affect?

CVE-2023-5691 affects chatbot. Severity is medium (CVSS 4.4). The Chatbot for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in version 2.3.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers,

Q: How urgent is CVE-2023-5691?

Priority 21/100. No elevated risk signals yet.

Routine

MEDIUM 4.4UPGRADE

CVE-2023-5691 is a medium-severity flaw (CVSS 4.4) affecting chatbot. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Chatbot for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in version 2.3.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.4 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	High
User interaction	None
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-01-11
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: collect.chat

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

Am I affected?

Timeline

2024-01-11 09:15 UTCPublished CVE record published
2026-06-17 06:49 UTCUpdated Record last modified

collect.chat chatbot UPGRADE

Affected: <= 2.3.9

Fixed in: newer than 2.3.9

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy chatbot || rpm -q chatbot || chatbot --version

2. UPGRADE to newer than 2.3.9 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade chatbot

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade chatbot

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-2023-5691?

chatbot: upgrade to newer than 2.3.9. Exact commands for each OS are on this page.

Is CVE-2023-5691 being exploited?

CVE-2023-5691 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-2023-5691 affect?

CVE-2023-5691 affects chatbot. Severity is medium (CVSS 4.4). The Chatbot for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in version 2.3.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers,

How urgent is CVE-2023-5691?

Priority 21/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2025-10869 MEDIUM 6.1 DOWNGRADE Stored Cross-site Scripting (XSS) in Oct8ne Chatbot v2.3

References

← Back to latest CVEs