CVE-2023-5660: The SendPress Newsletters plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's s
CVE-2023-5660 is a medium-severity flaw (CVSS 6.4) affecting sendpress. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.7% (top 48%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2023-11-07 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-5660?
sendpress: upgrade to 1.23.11.6. Exact commands for each OS are on this page.
Is CVE-2023-5660 being exploited?
CVE-2023-5660 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-5660 affect?
CVE-2023-5660 affects sendpress. Severity is medium (CVSS 6.4). 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 sup
How urgent is CVE-2023-5660?
Priority 40/100. Public exploit reference
Software pages
Related CVEs
- CVE-2024-1589 MEDIUM 6.1 UPGRADE The SendPress Newsletters WordPress plugin through 1.23.11.6 does not sanitise and escape some of its settings
- CVE-2024-1588 MEDIUM 6.8 UPGRADE The SendPress Newsletters WordPress plugin through 1.23.11.6 does not sanitise and escape some of its settings
- CVE-2023-47517 HIGH 7.1 UPGRADE Unauth
- CVE-2023-41730 MEDIUM 4.3 UPGRADE Cross-Site Request Forgery (CSRF) vulnerability in SendPress Newsletters plugin <= 1.22.3.31 versions.
- CVE-2023-41729 MEDIUM 5.9 UPGRADE Auth