CVE-2025-3387: A vulnerability classified as problematic has been found in renrenio renren-security up to 5.4.0

Q: How do I fix CVE-2025-3387?

renren-security: upgrade to newer than 5.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-3387 being exploited?

CVE-2025-3387 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-3387 affect?

CVE-2025-3387 affects renren-security. Severity is low (CVSS 3.5). 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 att

Q: How urgent is CVE-2025-3387?

Priority 24/100. Public exploit reference

Routine

LOW 3.5UPGRADE

CVE-2025-3387 is a low-severity flaw (CVSS 3.5) affecting renren-security. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-79, CWE-94
Published	2025-04-07
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: renrenio

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-07 23:15 UTCPublished CVE record published
2026-06-17 09:19 UTCUpdated Record last modified

renrenio renren-security UPGRADE

Affected: <= 5.4.0

Fixed in: newer than 5.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy renren-security || rpm -q renren-security || renren-security --version

2. UPGRADE to newer than 5.4.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade renren-security

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade renren-security

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-3387?

renren-security: upgrade to newer than 5.4.0. Exact commands for each OS are on this page.

Is CVE-2025-3387 being exploited?

CVE-2025-3387 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-3387 affect?

CVE-2025-3387 affects renren-security. Severity is low (CVSS 3.5). 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 att

How urgent is CVE-2025-3387?

Priority 24/100. Public exploit reference

Related CVEs

CVE-2025-70821 CRITICAL 9.8 UPGRADE renren-secuity before v5.5.0 is vulnerable to SQL Injection in the BaseServiceImpl.java component

References

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