Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-5135

19
FAUCET Score

CVE-2023-5135 is a Stored Cross-Site Scripting (XSS) vulnerability affecting the Simple Cloudflare Turnstile plugin for WordPress, versions up to and including 1.23.1. This medium-severity vulnerability (CVSS 5.4) allows authenticated attackers with contributor-level permissions or higher to inject malicious web scripts into pages due to insufficient input sanitization. While the attack complexity is low, it requires user interaction and could lead to information disclosure or defacement. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.23.2CPE matchmatch criteria
cpe:2.3:a:replywp:simple_cloudfare_turnstile:*:*:*:*:*: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
0.64%
Probability of exploitation in next 30 days
EPSS Percentile
46.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0064 is in the 78th percentile among its peer group of 15,224 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/simple-cloudflare-turnstile/tags/1.23.0/inc/integrations/forms/gravity-forms.php
Exploit
plugins.trac.wordpress.org / browser/simple-cloudflare-turnstile/tags/1.23.0/inc/integrations/forms/gravity-forms.php
Exploit
plugins.trac.wordpress.org / browser/simple-cloudflare-turnstile/tags/1.23.0/simple-cloudflare-turnstile.php
Exploit
plugins.trac.wordpress.org / changeset/2970368/simple-cloudflare-turnstile
Patch
wordfence.com / threat-intel/vulnerabilities/id/91f6c9d3-641d-42f7-bf11-e3c3a44eeb76
Third Party Advisory