CVE-2023-1893Public exploitNetwork attack vector

Administrator-session script execution via unescaped URL parameter

Published Jul 17, 2023 · Updated Feb 13, 2025

Reflected XSS in GrandSlambert Login Configurator 2.1 and earlier allows remote attackers to execute scripts via a crafted admin URL. The plugin's administrative options page outputs a request-supplied URL parameter without context-appropriate escaping. Exploitation requires an administrator to follow the crafted URL, after which the script runs with that administrator's WordPress session privileges.

CVSS severity6.1
Medium
EPSS probability0.72%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in GrandSlambert Login Configurator 2.1 and earlier allows remote attackers to execute scripts via a crafted admin URL. The plugin's administrative options page outputs a request-supplied URL parameter without context-appropriate escaping. Exploitation requires an administrator to follow the crafted URL, after which the script runs with that administrator's WordPress session privileges.

The record

CVE
CVE-2023-1893
Published
Jul 17, 2023
Updated
Feb 13, 2025
Vendor
GrandSlambert, Inc.
Product
Login Configurator
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 17, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=2.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

GrandSlambert, Inc. · Login Configuratorversion=0 <=2.1

Published CVSS scores

6.1WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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