What is CVE-2023-27034?

CVE-2023-27034 is a critical-severity vulnerability in Joommasters Jms Blog, classified under SQL Injection. CVSS score: 9.8/10. Published 2023-03-23.

How severe is CVE-2023-27034?

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

Is CVE-2023-27034 known to be exploited?

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

SQL Injection in Joommasters Jms Blog

CVE-2023-27034

PrestaShop jmsblog 2.5.5 was discovered to contain a SQL injection vulnerability.

Vulnerability class: SQL Injection

Published 2023-03-23 · last modified 2026-06-17.

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: 0.587 (99.1th percentile), scored 2026-10-18.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.587 · newest: 0.587 · change: 0.000

Affected products

Joommasters Jms Blog — versions 2.5.5, 2.5.6

Weakness classification (CWE)

CWE-89 — SQL Injection

Public proof-of-concept exploits

References

friends-of-presta.github.io/security-advisories/modules/2023/03/13/jmsblog.html (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2023-27034?: CVE-2023-27034 is a critical-severity vulnerability in Joommasters Jms Blog, classified under SQL Injection. CVSS score: 9.8/10. Published 2023-03-23.
How severe is CVE-2023-27034?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-27034 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.