CVE-2023-7027: saadiqbal post smtp – complete email deliverability and smtp solution with email logs, alerts, backup smtp & mobile app Cross-site Scripting
Vulnerability summary
CVE-2023-7027 is a high (CVSS 7.2) Cross-site Scripting vulnerability in saadiqbal post smtp – complete email deliverability and smtp solution with email logs, alerts, backup smtp & mobile app. EPSS estimates a 0.94% chance of exploitation in the next 30 days, higher than 60.5% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 03-01-2024PublishedVulnerability first disclosed.
- 08-04-2026Last modifiedVulnerability information updated.
Description
The 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.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
- wordfenceSource7.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.94%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
0.00 pp
From 0.94% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Saadiqbal1 product
Wordpress1 product
- post-smtp≤ 2.8.7 (fixed in 2.8.8)
Wpexperts1 product
- post_smtp< 2.8.8
3 vendors · 3 products