CVE-2026-93622Network attack vectorHinoki check available

Unauthenticated stored XSS via failed-login usernames

Published Sep 23, 2026 · Updated Sep 23, 2026

Stored XSS in NicolasKulka WPS Limit Login 1.5.9.3 and earlier allows remote attackers to run script in an administrator's browser. A crafted username submitted in a failed login is stored in the lockout log and rendered without adequate output escaping. No account is required, but execution requires an administrator to view the poisoned log; script runs in the site's administrative origin.

CVSS severity7.1
High
EPSS probability0.18%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
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Summary

What happened

Stored XSS in NicolasKulka WPS Limit Login 1.5.9.3 and earlier allows remote attackers to run script in an administrator's browser. A crafted username submitted in a failed login is stored in the lockout log and rendered without adequate output escaping. No account is required, but execution requires an administrator to view the poisoned log; script runs in the site's administrative origin.

The record

CVE
CVE-2026-93622
Published
Sep 23, 2026
Updated
Sep 23, 2026
Vendor
NicolasKulka
Product
WPS Limit Login
Classifications
CWE-79, CAPEC-591
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 23, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 23, 2026Record 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=n/a <=1.5.9.3 changes=[{"at":"1.5.9.4","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

NicolasKulka · WPS Limit Loginversion=n/a <=1.5.9.3 changes=[{"at":"1.5.9.4","status":"unaffected"}]

Published CVSS scores

7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

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.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-591Reflected XSS

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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