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CVE-2023-28787

39
FAUCET Score

CVE-2023-28787 is a critical SQL Injection vulnerability affecting ExpressTech Quiz And Survey Master versions up to and including 8.1.4. This flaw allows an unauthenticated attacker to execute arbitrary SQL commands, potentially leading to full data compromise. With a CVSS score of 9.3, it presents a high risk due to its network-based attack vector and low complexity. While there is no evidence of active exploitation or Metasploit modules, Nuclei templates exist, and its EPSS score indicates a higher-than-average likelihood of exploitation. Community discussion and media coverage are currently minimal.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.1.4CPE match
cpe:2.3:a:expresstech:quiz_and_survey_master:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

9.3CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.96%
Probability of exploitation in next 30 days
EPSS Percentile
78.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2023-28787 · Feb 6, 2026
This CVE's current EPSS score of 0.0196 is in the 67th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

patchstack.com / database/vulnerability/quiz-master-next/wordpress-quiz-and-survey-master-plugin-8-1-4-unauthenticated-sql-injection-vulnerability