YayCommerce YayMail Plugin up to 4.3.2 on WordPress authorization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in YayCommerce YayMail Plugin up to 4.3.2 on WordPress. Impacted is an unknown function. Such manipulation leads to authorization. This vulnerability is referenced as CVE-2026-27327. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in YayCommerce YayMail Plugin up to 4.3.2 on WordPress and classified as critical. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Missing Authorization vulnerability in YayCommerce YayMail – WooCommerce Email Customizer yaymail allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects YayMail – WooCommerce Email Customizer: from n/a through <= 4.3.2.

The weakness was published by Daroo. The advisory is shared for download at patchstack.com. This vulnerability is handled as CVE-2026-27327 since 02/19/2026. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/27/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 4.3
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/19/2026 Advisory disclosed
02/19/2026 +0 days CVE reserved
02/19/2026 +0 days VulDB entry created
02/27/2026 +8 days VulDB entry last update

Sourcesinfo

Advisory: patchstack.com
Researcher: Daroo
Status: Not defined

CVE: CVE-2026-27327 (🔒)
GCVE (CVE): GCVE-0-2026-27327
GCVE (VulDB): GCVE-100-347000

Entryinfo

Created: 02/19/2026 21:58
Updated: 02/27/2026 17:06
Changes: 02/19/2026 21:58 (54), 02/27/2026 17:06 (12)
Complete: 🔍
Cache ID: 216::103

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