How severe is CVE-2023-39308?

CVE-2023-39308 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-39308 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39308?

CVE-2023-39308 affects Monsterinsights Userfeedback. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39308?

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-2023-39308 published?

CVE-2023-39308 was published on 2023-09-29 and last updated on 2026-06-17.

CVE-2023-39308

CVE-2023-39308 is a high-severity vulnerability in Monsterinsights Userfeedback with a CVSS 3.x base score of 7.1. 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 7.1)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Monsterinsights Userfeedback
Published: 2023-09-29
Last modified: 2026-06-17

Description

Unauth. Stored Cross-Site Scripting (XSS) vulnerability in UserFeedback Team User Feedback plugin <= 1.0.7 versions.

Frequently asked questions

What is CVE-2023-39308?: Unauth. Stored Cross-Site Scripting (XSS) vulnerability in UserFeedback Team User Feedback plugin <= 1.0.7 versions.
How severe is CVE-2023-39308?: CVE-2023-39308 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-39308 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39308?: CVE-2023-39308 affects Monsterinsights Userfeedback. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39308?: 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-2023-39308 published?: CVE-2023-39308 was published on 2023-09-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:monsterinsights:userfeedback:*:*:*:*:lite:wordpress:*:*

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