How severe is CVE-2025-51864?

CVE-2025-51864 has a CVSS 3.x base score of 6.5, rated medium 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-2025-51864 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-51864?

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

Does CVE-2025-51864 have an EU (EUVD) identifier?

Yes. CVE-2025-51864 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22316.

When was CVE-2025-51864 published?

CVE-2025-51864 was published on 2025-07-22 and last updated on 2026-06-17.

CVE-2025-51864

CVE-2025-51864 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. 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 6.5)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22316
Weakness: CWE-79
Published: 2025-07-22
Last modified: 2026-06-17

Description

A reflected cross-site scripting (XSS) vulnerability exists in AIBOX LLM chat (chat.aibox365.cn) through 2025-05-27, allowing attackers to hijack accounts through stolen JWT tokens.

Frequently asked questions

What is CVE-2025-51864?: A reflected cross-site scripting (XSS) vulnerability exists in AIBOX LLM chat (chat.aibox365.cn) through 2025-05-27, allowing attackers to hijack accounts through stolen JWT tokens.
How severe is CVE-2025-51864?: CVE-2025-51864 has a CVSS 3.x base score of 6.5, rated medium 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-2025-51864 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-51864?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-51864 have an EU (EUVD) identifier?: Yes. CVE-2025-51864 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22316.
When was CVE-2025-51864 published?: CVE-2025-51864 was published on 2025-07-22 and last updated on 2026-06-17.

References

https://github.com/Secsys-FDU/CVE-2025-51864

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