How severe is CVE-2023-42436?

CVE-2023-42436 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-2023-42436 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42436?

CVE-2023-42436 affects Weseek Growi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-42436?

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

When was CVE-2023-42436 published?

CVE-2023-42436 was published on 2023-12-26 and last updated on 2026-06-17.

CVE-2023-42436

CVE-2023-42436 is a medium-severity vulnerability in Weseek Growi 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% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Weseek Growi
Published: 2023-12-26
Last modified: 2026-06-17

Description

Stored cross-site scripting vulnerability exists in the presentation feature of GROWI versions prior to v3.4.0. If this vulnerability is exploited, an arbitrary script may be executed on the web browser of the user who accessed the site using the product.

Frequently asked questions

What is CVE-2023-42436?: Stored cross-site scripting vulnerability exists in the presentation feature of GROWI versions prior to v3.4.0. If this vulnerability is exploited, an arbitrary script may be executed on the web browser of the user who accessed the site using the product.
How severe is CVE-2023-42436?: CVE-2023-42436 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-2023-42436 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42436?: CVE-2023-42436 affects Weseek Growi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-42436?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-42436 published?: CVE-2023-42436 was published on 2023-12-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:weseek:growi:*:*:*:*:*:*:*:*

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