What is CVE-2023-37847?

CVE-2023-37847 is a critical-severity vulnerability in Xxyopen Novel-Plus, classified under SQL Injection. CVSS score: 9.8/10. Published 2023-08-14.

How severe is CVE-2023-37847?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-37847 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SQL Injection in Xxyopen Novel-Plus

CVE-2023-37847

novel-plus v3.6.2 was discovered to contain a SQL injection vulnerability.

Vulnerability class: SQL Injection

Published 2023-08-14 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Xxyopen Novel-Plus — versions 3.6.2

Weakness classification (CWE)

CWE-89 — SQL Injection

Public proof-of-concept exploits

References

af854a3a-2127-422b-91ae-364da2661108 (Product, Broken Link)
novel.xxyopen.com/index.htm (Vendor Advisory)
github.com/KingBangQ/CVE-2023-37847/blob/main/README.md (Third Party Advisory, Broken Link)

Frequently asked questions

What is CVE-2023-37847?: CVE-2023-37847 is a critical-severity vulnerability in Xxyopen Novel-Plus, classified under SQL Injection. CVSS score: 9.8/10. Published 2023-08-14.
How severe is CVE-2023-37847?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-37847 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.