How severe is CVE-2023-0740?

CVE-2023-0740 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-0740 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0740?

CVE-2023-0740 affects Answer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0740?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-0740 published?

CVE-2023-0740 was published on 2023-02-08 and last updated on 2026-06-17.

CVE-2023-0740

CVE-2023-0740 is a critical-severity vulnerability in Answer with a CVSS 3.x base score of 9.0. 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: Critical (CVSS 3.x base score 9.0)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Answer
Published: 2023-02-08
Last modified: 2026-06-17

Description

Cross-site Scripting (XSS) - Stored in GitHub repository answerdev/answer prior to 1.0.4.

Frequently asked questions

What is CVE-2023-0740?: Cross-site Scripting (XSS) - Stored in GitHub repository answerdev/answer prior to 1.0.4.
How severe is CVE-2023-0740?: CVE-2023-0740 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-0740 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0740?: CVE-2023-0740 affects Answer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0740?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-0740 published?: CVE-2023-0740 was published on 2023-02-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:answer:answer:*:*:*:*:*:*:*:*

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