CVE-2023-1893: The Login Configurator WordPress plugin through 2.1 does not properly escape a URL parameter before outputting

Q: How do I fix CVE-2023-1893?

login configurator: upgrade to newer than 2.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-1893 being exploited?

CVE-2023-1893 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-2023-1893 affect?

CVE-2023-1893 affects login configurator. Severity is medium (CVSS 6.1). The Login Configurator WordPress plugin through 2.1 does not properly escape a URL parameter before outputting it to the page, leading to a reflected cross-site scripting vulnerability targeting site administrators.

Q: How urgent is CVE-2023-1893?

Priority 40/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2023-1893 is a medium-severity flaw (CVSS 6.1) affecting login configurator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Login Configurator WordPress plugin through 2.1 does not properly escape a URL parameter before outputting it to the page, leading to a reflected cross-site scripting vulnerability targeting site administrators.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-07-17
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: login configurator project

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

Am I affected?

Timeline

2023-07-17 14:15 UTCPublished CVE record published
2026-06-17 05:28 UTCUpdated Record last modified

Affected: <= 2.1

Fixed in: newer than 2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy login-configurator || rpm -q login-configurator || login-configurator --version

2. UPGRADE to newer than 2.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade login-configurator

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade login-configurator

Note

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

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Login Configurator <=2.1 - Cross-Site Scripting

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-2023-1893?

Is CVE-2023-1893 being exploited?

CVE-2023-1893 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-2023-1893 affect?

CVE-2023-1893 affects login configurator. Severity is medium (CVSS 6.1). The Login Configurator WordPress plugin through 2.1 does not properly escape a URL parameter before outputting it to the page, leading to a reflected cross-site scripting vulnerability targeting site administrators.

How urgent is CVE-2023-1893?

Priority 40/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2023-34369 MEDIUM 5.9 UPGRADE Auth
CVE-2023-34175 HIGH 7.1 UPGRADE Unauth

References

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