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CVE-2026-66701· NVD / CVE Program· CNA Patchstack

WordPress Profile Builder plugin <= 3.16.5 - Broken Access Control vulnerability

Unauthenticated Broken Access Control in Profile Builder <= 3.16.5 versions.

MediumCVSS 5.3 · v3.1—No exploit Fix available

Noroxi analysis

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Published
Aug 6, 2026
Updated
Aug 12, 2026
EPSS
0.3% · 20th percentile
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Report tools

JSON

Action score

21

Monitor

Low priority for now.

CVSS
21 / 40 · 5.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · Patchstack
5.3
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Patchstack). Independent of NVD's CPE analysis and usually ahead of it.

  • Cozmoslabs Profile Builder

    • n/a and later · up to and including 3.16.5affectedfixed in 3.16.6

Same product

cozmoslabs: all records

Other highest-scoring records for the same primary product.

  • CVE-2024-6366User Profile Builder < 3.11.8 - Unauthenticated Media Upload
    45Plan
  • CVE-2021-24527Profile Builder < 3.4.9 - Admin Access via Password Reset
    41Plan
  • CVE-2024-6695profile-builder <= 3.11.8 - Unauthenticated Privilege Escalation
    39Monitor
  • CVE-2024-22140WordPress Profile Builder Pro Plugin <= 3.10.0 is vulnerable to Cross Site Request Forgery (CSRF)
    35Monitor
  • CVE-2023-47669WordPress Profile Builder Plugin <= 3.10.3 is vulnerable to Cross Site Request Forgery (CSRF)
    35Monitor
  • CVE-2023-2297Profile Builder – User Profile & User Registration Forms <= 3.9.0 - Insecure Password Reset Mechanism
    32Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Cozmoslabs Profile Builder3.16.6Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
low · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-862 · Missing Authorization

CVSS vector

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

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records