POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress <= 2.8.7 - Unauthenticated Stored Cross-Site Scripting via device

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2023-7027
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-01-03 05:15:11 UTC
Updated2026-04-08 18:18:47 UTC
DescriptionThe POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘device’ header in all versions up to, and including, 2.8.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from [email protected]

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

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.1[email protected]Secondary7.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
3.1CNADECLARED7.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Wpexperts Post Smtp All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Saadiqbal Post SMTP Complete Email Deliverability And SMTP Solution With Email Logs Alerts Backup SMTP Mobile App affected 2.8.7 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/post-smtp/trunk/Postman/Mobile/mobile.php af854a3a-2127-422b-91ae-364da2661108 plugins.trac.wordpress.org Exploit
plugins.trac.wordpress.org/browser/post-smtp/trunk/Postman/Mobile/includes/rest-api/v1/r... af854a3a-2127-422b-91ae-364da2661108 plugins.trac.wordpress.org Exploit
www.wordfence.com/threat-intel/vulnerabilities/id/7e8911a3-ce0f-420c-bf2a-1c292... af854a3a-2127-422b-91ae-364da2661108 www.wordfence.com Third Party Advisory
plugins.trac.wordpress.org/changeset af854a3a-2127-422b-91ae-364da2661108 plugins.trac.wordpress.org Patch
WordPress POST SMTP Mailer 2.8.7 Authorization Bypass / Cross Site Scripting ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Sean Murphy (en)

Additional Advisory Data

SourceTimeEvent
CNA2024-01-02T00:00:00.000ZDisclosed

Legacy QID Mappings

  • 731078 WordPress Plugin POST Simple Mail Transfer Protocol (SMTP) Authorization Bypass Vulnerability
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