CVE-2025-0521 — Cross-site Scripting in Post Smtp

CWE-79 — Cross-site Scripting3 documents3 sources
Severity
6.1MEDIUMNVD
CNA7.2
EPSS
0.4%
top 38.54%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Wpexperts Post Smtp
Timeline
PublishedFeb 18

Description

The Post SMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the from and subject parameter in all versions up to, and including, 3.0.2 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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.7

Affected Packages1 packages

▶NVDwpexperts/post_smtp< 3.1.0

Patches

Patch: plugins.trac.wordpress.org ↗

🔴Vulnerability Details

2
CVEList
Post SMTP <= 3.0.2 - Unauthenticated Stored Cross-Site Scripting↗2025-02-18
▶
GHSA
GHSA-3f9v-jhc5-p8jp: The Post SMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the from and subject parameter in all versions up to, and includin↗2025-02-18
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CVE-2025-0521 — Cross-site Scripting in Post Smtp | cvebase