CVE-2026-81420Network attack vector

SQL injection via unescaped AJAX parameter

Published Oct 11, 2026 · Updated Oct 11, 2026

SQL injection in Tcard WP 1.8.0 and earlier allows remote attackers to execute SQL through an unauthenticated WordPress AJAX action. The supplied source record describes an action that uses an unsanitized, unescaped parameter in a SQL statement; the handler name and query structure were unavailable for independent verification. No login is required according to that record, but specific data-access consequences are not documented in the retrieved upstream material.

CVSS severityUnavailable
Unscored
EPSS probability0.32%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in Tcard WP 1.8.0 and earlier allows remote attackers to execute SQL through an unauthenticated WordPress AJAX action. The supplied source record describes an action that uses an unsanitized, unescaped parameter in a SQL statement; the handler name and query structure were unavailable for independent verification. No login is required according to that record, but specific data-access consequences are not documented in the retrieved upstream material.

The record

CVE
CVE-2026-81420
Published
Oct 11, 2026
Updated
Oct 11, 2026
Vendor
Alexandru
Product
Tcard WP
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 11, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 11, 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=0 <=1.8.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Alexandru · Tcard WPversion=0 <=1.8.0

Published CVSS scores

No CVSS assessment is available in this record.

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

T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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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