How severe is CVE-2025-3387?

CVE-2025-3387 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-3387 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3387?

CVE-2025-3387 affects Renrenio Renren-security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3387?

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

Does CVE-2025-3387 have an EU (EUVD) identifier?

Yes. CVE-2025-3387 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10063.

When was CVE-2025-3387 published?

CVE-2025-3387 was published on 2025-04-07 and last updated on 2026-06-17.

CVE-2025-3387

CVE-2025-3387 is a low-severity vulnerability in Renrenio Renren-security with a CVSS 3.x base score of 3.5. 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: Low (CVSS 3.x base score 3.5)
CVSS v2: 4.0
CVSS v4: 5.1
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10063
Weakness: CWE-79
Affected product: Renrenio Renren-security
Published: 2025-04-07
Last modified: 2026-06-17

Description

A vulnerability classified as problematic has been found in renrenio renren-security up to 5.4.0. This affects an unknown part of the component JSON Handler. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-3387?: A vulnerability classified as problematic has been found in renrenio renren-security up to 5.4.0. This affects an unknown part of the component JSON Handler. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-3387?: CVE-2025-3387 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-3387 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3387?: CVE-2025-3387 affects Renrenio Renren-security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3387?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-3387 have an EU (EUVD) identifier?: Yes. CVE-2025-3387 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10063.
When was CVE-2025-3387 published?: CVE-2025-3387 was published on 2025-04-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:renrenio:renren-security:*:*:*:*:*:*:*:*

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