How severe is CVE-2023-1881?

CVE-2023-1881 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-2023-1881 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1881?

CVE-2023-1881 affects Microweber. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1881?

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

When was CVE-2023-1881 published?

CVE-2023-1881 was published on 2023-04-05 and last updated on 2026-06-17.

CVE-2023-1881

CVE-2023-1881 is a medium-severity vulnerability in Microweber 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% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microweber
Published: 2023-04-05
Last modified: 2026-06-17

Description

Cross-site Scripting (XSS) - Stored in GitHub repository microweber/microweber prior to 1.3.3.

Frequently asked questions

What is CVE-2023-1881?: Cross-site Scripting (XSS) - Stored in GitHub repository microweber/microweber prior to 1.3.3.
How severe is CVE-2023-1881?: CVE-2023-1881 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-2023-1881 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1881?: CVE-2023-1881 affects Microweber. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1881?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-1881 published?: CVE-2023-1881 was published on 2023-04-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microweber:microweber:*:*:*:*:*:*:*:*

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