CVE-2025-9887Network attack vector

Settings changes via missing nonce validation

Published Sep 20, 2025 · Updated Sep 20, 2025

Cross-site request forgery in Bitto Kazi Custom Login And Signup Widget 1.0 and earlier allows remote attackers to alter email and username settings. The frndzk_adminclsw.php administration handler accepts forged settings-change requests without correct WordPress nonce validation. Exploitation requires an authenticated site administrator to follow an attacker-controlled link, after which the request changes the configured email and username values.

CVSS severity4.3
Medium
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in Bitto Kazi Custom Login And Signup Widget 1.0 and earlier allows remote attackers to alter email and username settings. The frndzk_adminclsw.php administration handler accepts forged settings-change requests without correct WordPress nonce validation. Exploitation requires an authenticated site administrator to follow an attacker-controlled link, after which the request changes the configured email and username values.

The record

CVE
CVE-2025-9887
Published
Sep 20, 2025
Updated
Sep 20, 2025
Vendor
Bitto Kazi
Product
Custom Login And Signup Widget
Classifications
CWE-352, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 20, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 20, 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=* <=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Bitto Kazi · Custom Login And Signup Widgetversion=* <=1.0

Published CVSS scores

4.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
T1204.001Malicious Link

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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