What is CVE-2023-5108?

CVE-2023-5108 is a high-severity vulnerability in Alphabpo Easy Newsletter Signups, classified under SQL Injection. CVSS score: 7.2/10. Published 2023-12-04.

How severe is CVE-2023-5108?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2023-5108 known to be exploited?

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

SQL Injection in Alphabpo Easy Newsletter Signups

CVE-2023-5108

The Easy Newsletter Signups WordPress plugin through 1.0.4 does not properly sanitise and escape a parameter before using it in a SQL statement, leading to a SQL injection exploitable by high privilege users such as admin

Vulnerability class: SQL Injection

Published 2023-12-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Alphabpo Easy Newsletter Signups
Easy Newsletter Signups — versions 0

Weakness classification (CWE)

CWE-89 — SQL Injection

Public proof-of-concept exploits

References

wpscan.com/vulnerability/1b277929-e88b-4ab6-9190-526e75f5ce7a (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2023-5108?: CVE-2023-5108 is a high-severity vulnerability in Alphabpo Easy Newsletter Signups, classified under SQL Injection. CVSS score: 7.2/10. Published 2023-12-04.
How severe is CVE-2023-5108?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2023-5108 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.