How severe is CVE-2023-27034?

CVE-2023-27034 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-27034 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 59% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27034?

CVE-2023-27034 primarily affects Joommasters Jms Blog. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-27034?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-27034 published?

CVE-2023-27034 was published on 2023-03-23 and last updated on 2026-06-17.

CVE-2023-27034

CVE-2023-27034 is a critical-severity vulnerability in Joommasters Jms Blog with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 59% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 59% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Joommasters Jms Blog
Published: 2023-03-23
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-27034?: PrestaShop jmsblog 2.5.5 was discovered to contain a SQL injection vulnerability.
How severe is CVE-2023-27034?: CVE-2023-27034 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-27034 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 59% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27034?: CVE-2023-27034 primarily affects Joommasters Jms Blog. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-27034?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-27034 published?: CVE-2023-27034 was published on 2023-03-23 and last updated on 2026-06-17.

References

https://friends-of-presta.github.io/security-advisories/modules/2023/03/13/jmsblog.html

Affected products (2)

cpe:2.3:a:joommasters:jms_blog:2.5.5:*:*:*:*:prestashop:*:*
cpe:2.3:a:joommasters:jms_blog:2.5.6:*:*:*:*:prestashop:*:*

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