Cyber Resilience

CVE-2026-27373

High

Published: 05 March 2026

Published
05 March 2026
Modified
22 April 2026
KEV Added
—
Patch
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CVSS Score v3.1 8.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
EPSS Score 0.0026 17.2th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-27373 is a high-severity SQL Injection (CWE-89) vulnerability. Its CVSS base score is 8.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 17.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2026-27373 is an SQL Injection vulnerability (CWE-89) in the Tablesome WordPress plugin developed by Essekia, specifically enabling Blind SQL Injection. The flaw stems from improper neutralization of special elements in SQL commands and affects all versions of Tablesome up to and including 1.2.3. It carries a CVSS v3.1 base score of 8.5 (AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L), indicating high severity due to its network accessibility, low complexity, and potential for significant confidentiality impact.

Low-privileged authenticated users (PR:L) can exploit this vulnerability remotely over the network without user interaction. Successful exploitation allows attackers to perform blind SQL injection, enabling high-impact data extraction (C:H) from the database, with a changed scope (S:C) that may affect broader system components and minor availability disruption (A:L).

The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/tablesome/vulnerability/wordpress-tablesome-plugin-1-2-3-sql-injection-vulnerability?_s_id=cve provides details on the vulnerability in Tablesome versions up to 1.2.3. Security practitioners should consult this reference for mitigation guidance, such as applying available patches or updates beyond version 1.2.3.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Essekia Tablesome tablesome allows Blind SQL Injection.This issue affects Tablesome: from n/a through <= 1.2.3.

CWE(s)
CWE-89

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1213.006 Databases Collection
Adversaries may leverage databases to mine valuable information.
attack.mitre.org →
Why these techniques?

SQL injection in a publicly accessible WordPress plugin (even with low-priv auth) directly maps to exploitation of a public-facing web application (T1190); successful blind SQLi enables direct collection of data from the backend database (T1213.006).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2018-25199Shared CWE-89
CVE-2026-27179Shared CWE-89
CVE-2025-0308Shared CWE-89
CVE-2019-25581Shared CWE-89
CVE-2026-27885Shared CWE-89
CVE-2019-25479Shared CWE-89
CVE-2026-1476Shared CWE-89
CVE-2019-25526Shared CWE-89
CVE-2025-69365Shared CWE-89
CVE-2019-25573Shared CWE-89

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-10 Information Input Validation good match
prevent

SI-10 directly prevents SQL injection by requiring validation of user inputs used in SQL commands, addressing the improper neutralization of special elements in Tablesome.

SI-2 Flaw Remediation good match
prevent

SI-2 mitigates the vulnerability by identifying, reporting, and patching the specific SQL injection flaw in Tablesome versions up to 1.2.3.

RA-5 Vulnerability Monitoring and Scanning partial match
preventdetect

RA-5 enables vulnerability scanning to detect and remediate SQL injection flaws like CVE-2026-27373 in WordPress plugins prior to exploitation.

References