What is CVE-2023-1893?

CVE-2023-1893 is a medium-severity vulnerability in Login Configurator Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-07-17.

How severe is CVE-2023-1893?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2023-1893 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Login Configurator Project

CVE-2023-1893

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-07-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

wpscan.com/vulnerability/dbe6cf09-971f-42e9-b744-9339454168c7 (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)
packetstormsecurity.com/files/173723/WordPress-Login-Configurator-2.1-Cross-Sit… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-1893?: CVE-2023-1893 is a medium-severity vulnerability in Login Configurator Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-07-17.
How severe is CVE-2023-1893?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-1893 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.