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CVE Record

CVE-2026-0722: Shield Security <= 21.0.8 - Cross-Site Request Forgery to SQL Injection

The Shield Security plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 21.0.8. This is due to the plugin allowing nonce verification to be bypassed via user-supplied parameter in the 'isNonceVerifyRequired' function. This makes it possible for unauthenticated attackers to execute SQL injection attacks, extracting sensitive information from the database, via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

MediumCVSS 6.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2026-0722 affects the Shield Security WordPress plugin through version 21.0.8. An attacker could trick an administrator into clicking a crafted link, causing the site to make a request that may lead to SQL injection and database data exposure. It requires administrator interaction, but the potential confidentiality impact is significant.

Executive priority

Treat as a near-term patching and exposure review item for WordPress sites. It is not currently supported by the provided evidence as actively exploited, but administrator-assisted database exposure can create meaningful data risk.

Technical view

The issue is a CSRF condition caused by bypassable nonce verification through user-controlled input in isNonceVerifyRequired. Public references tie this to SQL injection reachable through Shield Security AJAX/action routing and traffic table data handling in version 21.0.8. CVSS is 6.5 with network attack vector, no privileges required, user interaction required, and high confidentiality impact.

Likely exposure

WordPress sites running Shield Security, also listed as wp-simple-firewall, at versions up to and including 21.0.8 are the likely exposure. The bundle does not identify other affected products or a specific fixed release number.

Exploitation context

The attack requires convincing a site administrator to perform an action such as clicking a link. The provided sources do not show CISA KEV listing or confirmed active exploitation. The main business risk is unauthorized extraction of sensitive WordPress database information.

Researcher notes

Evidence comes from the CVE record, Wordfence entry, CleanTalk research, WordPress Trac source references, and a Trac changeset. The affected range is clear through 21.0.8, but the provided bundle does not explicitly name a fixed version.

Mitigation direction

  • Identify all WordPress sites using Shield Security or wp-simple-firewall.
  • If version is 21.0.8 or older, follow vendor guidance and update when available.
  • Warn administrators against clicking unexpected admin-session links.
  • Restrict WordPress admin access where operationally feasible.
  • Review logs for unusual admin-initiated AJAX activity.

Validation and detection

  • Check installed plugin slug and version across WordPress assets.
  • Confirm whether any instance is at or below 21.0.8.
  • Review vendor and Wordfence advisories for fixed-version details.
  • Verify updated instances no longer run vulnerable code paths.
  • Check administrative activity logs around suspicious links or sessions.
Prepared
Confidence
high
Sources
8

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-89: Database access and collection lookup

Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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description · low confidence lookup

Database behavior lookup

The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2026-0722 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
7Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N2.83.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2026-0722Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
paultgoodchildShield: Blocks Bots, Protects Users, and Prevents Security Breaches0unaffected
Weakness

CWE details

CWE-89

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.