CVE-2026-54847

Stylish Cost Calculator – Quote Generator, Lead Gen & Price Estimator <= 8.3.9 - Missing Authorization

2026-06-18 00:00

Strategic Overview

Status: Patched in 8.3.10
Affected Plugin: Stylish Cost Calculator – Quote Generator, Lead Gen & Price Estimator
Affected Version: <= 8.3.9
CVSS: 5.3Medium
Weakness type: CWE-862 · Missing Authorization
CVE: CVE-2026-54847

View all Stylish Cost Calculator – Quote Generator, Lead Gen & Price Estimator vulnerabilities

At a glance

CVE-2026-54847 is a medium-severity Missing Authorization vulnerability in the Stylish Cost Calculator WordPress plugin, affecting versions <= 8.3.9. It carries a CVSS score of 5.3 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 8.3.10; sites on affected versions should update now. Disclosed June 2026, reported by ParkHyunWoo.

Vulnerability Overview

The Stylish Cost Calculator – Quote Generator, Lead Gen & Price Estimator plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 8.3.9. This makes it possible for unauthenticated attackers to perform an unauthorized action.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user.

CWE-862: Missing Authorization

Reaching this weakness in Stylish Cost Calculator <= 8.3.9 takes a caller who can reach the endpoint. A missing authorization check means a function is reachable by anyone who can reach the endpoint, because the code never asks whether the caller is allowed to perform the action.

Any user who can reach the endpoint gets to run an action reserved for higher-privileged roles, from reading protected data to changing settings or content. For Stylish Cost Calculator the fix is 8.3.10: builds <= 8.3.9 are affected, anything from 8.3.10 onward is not.

Remediation

Update to version 8.3.10, or a newer patched version

How does WordSec protect against this?

Because it turns on account access, WordSec's login security is the relevant layer: role-based two-factor, captcha and brute-force limits raise the cost of getting the account this needs. None of that substitutes for the fix: Stylish Cost Calculator 8.3.10 closes this, and updating the plugin is the step that ends it.

Login Security
Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2026-54847 https://www.wordfence.com/threat-intel/vulnerabilities/id/70b56b64-2334-44f1-9924-1ea642664b41 https://nvd.nist.gov/vuln/detail/CVE-2026-54847

Related records

Same weakness class

4.3Appsero <= 1.2.1 Missing Authorization

Other vulnerabilities in Stylish Cost Calculator – Quote Generator, Lead Gen & Price Estimator

CVSS Vector

5.3

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

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