How severe is CVE-2023-43345?

CVE-2023-43345 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-43345 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43345?

CVE-2023-43345 affects Opensolution Quick Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-43345?

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-2023-43345 published?

CVE-2023-43345 was published on 2023-10-19 and last updated on 2026-06-17.

CVE-2023-43345

CVE-2023-43345 is a high-severity vulnerability in Opensolution Quick Cms with a CVSS 3.x base score of 8.6. 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-79.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Opensolution Quick Cms
Published: 2023-10-19
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in opensolution Quick CMS v.6.7 allows a local attacker to execute arbitrary code via a crafted script to the Content - Name parameter in the Pages Menu component.

Frequently asked questions

What is CVE-2023-43345?: Cross-site scripting (XSS) vulnerability in opensolution Quick CMS v.6.7 allows a local attacker to execute arbitrary code via a crafted script to the Content - Name parameter in the Pages Menu component.
How severe is CVE-2023-43345?: CVE-2023-43345 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-43345 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43345?: CVE-2023-43345 affects Opensolution Quick Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43345?: 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-2023-43345 published?: CVE-2023-43345 was published on 2023-10-19 and last updated on 2026-06-17.

References

https://github.com/sromanhu/CVE-2023-43345-Quick-CMS-Stored-XSS---Pages-Content

Affected products (1)

cpe:2.3:a:opensolution:quick_cms:6.7:*:*:*:*:*:*:*

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