POST SMTP Mailer Plugin up to 2.8.6 on WordPress msg cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in POST SMTP Mailer Plugin up to 2.8.6 on WordPress. It has been rated as problematic. This affects an unknown part of the component msg Handler. The manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2023-6629. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in POST SMTP Mailer Plugin up to 2.8.6 on WordPress (WordPress Plugin). It has been rated as problematic. This issue affects an unknown function of the component msg Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘msg’ parameter in all versions up to, and including, 2.8.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. CVE-2023-6621 appears to be a duplicate of this issue. CVE-2024-29128 appears to be a duplicate of this issue.

The weakness was published 01/02/2024. It is possible to read the advisory at wordfence.com. The identification of this vulnerability is CVE-2023-6629 since 12/08/2023. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 6.1
CNA Vector (Wordfence): 🔍

CVSSv2info

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

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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

12/08/2023 🔍
01/02/2024 +25 days 🔍
01/02/2024 +0 days 🔍
04/11/2026 +830 days 🔍

Sourcesinfo

Advisory: wordfence.com
Status: Not defined

CVE: CVE-2023-6629 (🔍)
GCVE (CVE): GCVE-0-2023-6629
GCVE (VulDB): GCVE-100-249515

Entryinfo

Created: 01/02/2024 17:45
Updated: 04/11/2026 12:49
Changes: 01/02/2024 17:45 (38), 01/23/2024 07:32 (1), 01/23/2024 07:38 (12), 04/11/2026 12:49 (28)
Complete: 🔍
Cache ID: 216::103

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