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CVE-2023-3200

18
FAUCET Score

CVE-2023-3200 is a Cross-Site Request Forgery (CSRF) vulnerability affecting the MStore API plugin for WordPress, specifically due to missing nonce validation in the mstore_update_new_order_message function. This allows unauthenticated attackers to modify new order messages if they can trick an administrator into clicking a malicious link. Rated as MEDIUM severity (CVSS 4.3), it requires user interaction and has a low impact on integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.9.6CPE matchmatch criteria
cpe:2.3:a:inspireui:mstore_api:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
24.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 24th percentile among its peer group of 26,236 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 0.1 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/mstore-api/trunk/mstore-api.php
Patch
plugins.trac.wordpress.org / changeset
Patch
wordfence.com / threat-intel/vulnerabilities/id/78f3c503-e255-44d2-8432-48dc2c5f553d
Third Party Advisory