How severe is CVE-2023-43354?

CVE-2023-43354 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-43354 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43354?

CVE-2023-43354 affects Cmsmadesimple Cms Made Simple. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-43354?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-43354 published?

CVE-2023-43354 was published on 2023-10-20 and last updated on 2026-06-17.

CVE-2023-43354

CVE-2023-43354 is a medium-severity vulnerability in Cmsmadesimple Cms Made Simple with a CVSS 3.x base score of 5.4. 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: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cmsmadesimple Cms Made Simple
Published: 2023-10-20
Last modified: 2026-06-17

Description

Cross Site Scripting vulnerability in CMSmadesimple v.2.2.18 allows a local attacker to execute arbitrary code via a crafted script to the Profiles parameter in the Extensions -MicroTiny WYSIWYG editor component.

Frequently asked questions

What is CVE-2023-43354?: Cross Site Scripting vulnerability in CMSmadesimple v.2.2.18 allows a local attacker to execute arbitrary code via a crafted script to the Profiles parameter in the Extensions -MicroTiny WYSIWYG editor component.
How severe is CVE-2023-43354?: CVE-2023-43354 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-43354 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43354?: CVE-2023-43354 affects Cmsmadesimple Cms Made Simple. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43354?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-43354 published?: CVE-2023-43354 was published on 2023-10-20 and last updated on 2026-06-17.

References

https://github.com/sromanhu/CVE-2023-43354-CMSmadesimple-Stored-XSS---MicroTIny-extension

Affected products (1)

cpe:2.3:a:cmsmadesimple:cms_made_simple:2.2.18:*:*:*:*:*:*:*

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