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CVE-2023-4893

18
FAUCET Score

CVE-2023-4893 describes a Server-Side Request Forgery (SSRF) vulnerability in the Crayon Syntax Highlighter plugin for WordPress, affecting versions up to and including 2.8.4. Authenticated attackers with contributor-level permissions or higher can exploit this flaw to force the web application to make requests to arbitrary internal or external locations, potentially querying or modifying sensitive internal service information. Rated as Medium severity (CVSS 5.4), this vulnerability has a low attack complexity and requires only low privileges, though it does not appear to be actively exploited, nor is there public exploit code or significant community discussion surrounding it.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.8.4CPE matchmatch criteria
cpe:2.3:a:aramk:crayon-syntax-highlighter:*:*:*:*:*: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
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
23.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 31st percentile among its peer group of 21,951 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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/crayon-syntax-highlighter/trunk/crayon_highlighter.class.php
Broken Link
wordfence.com / threat-intel/vulnerabilities/id/527f75f1-6361-4e16-8ae4-d38ca4589811
Third Party Advisory