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CVE-2023-5660

17
FAUCET Score

CVE-2023-5660 is a Stored Cross-Site Scripting (XSS) vulnerability affecting the SendPress Newsletters plugin for WordPress, versions up to and including 1.22.3.31. This flaw allows authenticated attackers with contributor-level permissions or higher to inject malicious web scripts into pages due to insufficient input sanitization. The vulnerability has a CVSS score of 5.4 (Medium), indicating a low attack complexity and the potential for limited impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.23.11.6CPE matchmatch criteria
cpe:2.3:a:pressified:sendpress:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

6.4MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.1
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.67%
Probability of exploitation in next 30 days
EPSS Percentile
48.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0067 is in the 81st percentile among its peer group of 15,225 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

plugins.trac.wordpress.org / browser/sendpress/tags/1.22.3.31/classes/sc/class-sendpress-sc-unsubscribe-form.php
Exploit
plugins.trac.wordpress.org / changeset/2990357/sendpress
wordfence.com / threat-intel/vulnerabilities/id/cbce42a0-29a7-40df-973c-1fe7338f6c94
Third Party Advisory