TI-2024-19302 Aliases CVE-2024-29128 GHSA-g3x6-v9h3-rq34

WordPress POST SMTP Mailer plugin <= 2.8.6 - Reflected Cross Site Scripting (XSS) vulnerability

LOW 31CWE-79Published 2024-03-19 · Updated 2026-04-28

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Post SMTP POST SMTP allows Reflected XSS.This issue affects POST SMTP: from n/a through 2.8.6.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00382 32nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Post SMTP	POST SMTP	up to 2.8.6	—	No fix listed	CNA

POST SMTP VendorPost SMTP Affected up to 2.8.6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:wpexperts:post_smtp::::::wordpress::*	before 2.8.7	Vulnerable	WPExperts

cpe:2.3:a:wpexperts:post_smtp:*:*:*:*:*:wordpress:*:* Versions before 2.8.7 Vulnerable ·WPExperts

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-29128
2026-10-03 Alias added: GHSA-g3x6-v9h3-rq34

References

Advisory 1

https://patchstack.com/database/vulnerability/post-smtp/wordpress-post-smtp-mailer-plugin-2-8-6-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

TI-2023-06280 Authorization bypass in saadiqbal Post SMTP – Complete Email Deliverability and SMTP… CVSS 3.1CRITICAL 9.8
TI-2023-02978 POST SMTP Mailer < 2.5.7 - Account Takeover via CSRF CVSS 3.1HIGH 8.8
TI-2023-06067 Post SMTP < 2.8.7 - Admin+ SQL Injection CVSS 3.1HIGH 7.2
TI-2022-02171 Post SMTP < 2.1.7 - Admin+ Blind SSRF CVSS 3.1HIGH 7.2
TI-2023-06068 Post SMTP < 2.8.7 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
TI-2023-02977 POST SMTP Mailer < 2.5.7 - Arbitrary Log Deletion via CSRF CVSS 3.1MEDIUM 4.3

See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences