How severe is CVE-2023-45657?

CVE-2023-45657 has a CVSS 3.x base score of 8.5, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2023-45657 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-45657?

CVE-2023-45657 affects Posimyth Nexter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-45657?

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

When was CVE-2023-45657 published?

CVE-2023-45657 was published on 2023-11-06 and last updated on 2026-06-17.

CVE-2023-45657

CVE-2023-45657 is a high-severity vulnerability in Posimyth Nexter with a CVSS 3.x base score of 8.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 8.5)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Posimyth Nexter
Published: 2023-11-06
Last modified: 2026-06-17

Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in POSIMYTH Nexter allows SQL Injection.This issue affects Nexter: from n/a through 2.0.3.

Frequently asked questions

What is CVE-2023-45657?: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in POSIMYTH Nexter allows SQL Injection.This issue affects Nexter: from n/a through 2.0.3.
How severe is CVE-2023-45657?: CVE-2023-45657 has a CVSS 3.x base score of 8.5, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
Is CVE-2023-45657 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45657?: CVE-2023-45657 affects Posimyth Nexter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-45657?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-45657 published?: CVE-2023-45657 was published on 2023-11-06 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/nexter/wordpress-nexter-theme-2-0-3-sql-injection-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:posimyth:nexter:*:*:*:*:*:wordpress:*:*

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