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CVE Record

CVE-2026-25315: WordPress hCaptcha for WP plugin <= 4.21.1 - Broken Access Control vulnerability

Missing Authorization vulnerability in hcaptcha hCaptcha for WP hcaptcha-for-forms-and-more allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects hCaptcha for WP: from n/a through <= 4.21.1.

MediumCVSS 5.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2026-25315 is a medium-severity access-control flaw in the WordPress hCaptcha for WP plugin. A remote unauthenticated attacker may be able to access limited information that should require authorization. Public sources do not indicate active exploitation or business-wide system compromise.

Executive priority

Treat as a routine but timely WordPress plugin remediation. Prioritize public-facing sites and sites handling sensitive user data. Current evidence supports moderate urgency, not emergency response.

Technical view

The issue is CWE-862 Missing Authorization in hcaptcha hCaptcha for WP / hcaptcha-for-forms-and-more, affecting versions through 4.21.1 per the CVE data. CVSS 3.1 is 5.3: network-accessible, low complexity, no privileges, no user interaction, with low confidentiality impact and no integrity or availability impact stated.

Likely exposure

Exposure is limited to WordPress sites running the hCaptcha for WP plugin at affected versions through 4.21.1. Sites without this plugin are not affected based on the provided sources.

Exploitation context

The CVSS vector indicates remote unauthenticated reachability and low attack complexity. The provided sources do not state public exploit availability, observed exploitation, or CISA KEV listing.

Researcher notes

The record identifies missing authorization but does not provide endpoint-level detail in the supplied bundle. Avoid assuming exploit paths or affected functionality beyond the CVE and Patchstack reference. The Patchstack URL should be checked for current remediation details.

Mitigation direction

  • Inventory WordPress sites for the hCaptcha for WP plugin.
  • Identify plugin versions and flag versions through 4.21.1.
  • Check Patchstack and vendor guidance for the fixed or recommended version.
  • Update the plugin when a trusted fixed release is confirmed.
  • Restrict administrative access and monitor plugin-related logs for unusual access.

Validation and detection

  • Confirm whether hcaptcha-for-forms-and-more is installed on each WordPress site.
  • Record the installed plugin version from trusted asset or WordPress administration data.
  • Compare installed versions against the CVE affected range through 4.21.1.
  • Review vendor or Patchstack advisory details before closing remediation.
  • Verify the plugin remains functional after updating or applying vendor guidance.
Prepared
Confidence
medium
Sources
3

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-862: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-25315 mapping review

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

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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
2Source 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
5.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.3Medium
CVSS 3.1 vector shape for CVE-2026-25315Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
hcaptchahCaptcha for WPhcaptcha-for-forms-and-more, 0unaffected
Weakness

CWE details

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

CWE-862 · source CWE mapping

Missing Authorization

Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.