How severe is CVE-2024-33831?

CVE-2024-33831 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-33831 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.

How do I fix CVE-2024-33831?

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.

Does CVE-2024-33831 have an EU (EUVD) identifier?

Yes. CVE-2024-33831 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31540.

When was CVE-2024-33831 published?

CVE-2024-33831 was published on 2024-04-30 and last updated on 2026-06-17.

CVE-2024-33831

CVE-2024-33831 is a high-severity vulnerability with a CVSS 3.x base score of 7.4. 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-80.

Key facts

Severity: High (CVSS 3.x base score 7.4)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-31540
Weakness: CWE-80
Published: 2024-04-30
Last modified: 2026-06-17

Description

A stored cross-site scripting (XSS) vulnerability in the Advanced Expectation - Response module of yapi v1.10.2 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the body field.

Frequently asked questions

What is CVE-2024-33831?: A stored cross-site scripting (XSS) vulnerability in the Advanced Expectation - Response module of yapi v1.10.2 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the body field.
How severe is CVE-2024-33831?: CVE-2024-33831 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-33831 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.
How do I fix CVE-2024-33831?: 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.
Does CVE-2024-33831 have an EU (EUVD) identifier?: Yes. CVE-2024-33831 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31540.
When was CVE-2024-33831 published?: CVE-2024-33831 was published on 2024-04-30 and last updated on 2026-06-17.

References

https://github.com/YMFE/yapi/issues/2745

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