Medium severity6.4NVD Advisory· Published Nov 7, 2023· Updated Apr 8, 2026

CVE-2023-5660

Description

The SendPress Newsletters plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 1.22.3.31 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

Pressified/Sendpress
cpe:2.3:a:pressified:sendpress:*:*:*:*:*:wordpress:*:*
Range: <1.23.11.6

Patches

6fcc4512569b

https://github.com/brewlabs/sendpressvia osv

Vulnerability mechanics

Generated by null/stub on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.

References

plugins.trac.wordpress.org/browser/sendpress/tags/1.22.3.31/classes/sc/class-sendpress-sc-unsubscribe-form.phpnvdExploit
www.wordfence.com/threat-intel/vulnerabilities/id/cbce42a0-29a7-40df-973c-1fe7338f6c94nvdThird Party Advisory
plugins.trac.wordpress.org/changeset/2990357/sendpressnvd

News mentions

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cvss	0.416
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000