CVE-2025-3966: A vulnerability was found in itwanger paicoding 1.0.3 and classified as problematic

Routine

MEDIUM 4.3DOWNGRADE

CVE-2025-3966 is a medium-severity flaw (CVSS 4.3) affecting paicoding. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in itwanger paicoding 1.0.3 and classified as problematic. Affected by this issue is some unknown functionality of the file /user/home?userId=1&homeSelectType=read of the component Browsing History Handler. The manipulation leads to information disclosure. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-200, CWE-284
Published	2025-04-27
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: itwanger

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

Am I affected?

Timeline

2025-04-27 10:15 UTCPublished CVE record published
2026-06-17 09:21 UTCUpdated Record last modified

itwanger paicoding DOWNGRADE

Affected: 1.0.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.3

1. Check installed version

apt-cache policy paicoding || rpm -q paicoding || paicoding --version

2. No fixed release: DOWNGRADE to a release before 1.0.3 (Debian / Ubuntu)

apt-cache madison paicoding sudo apt install paicoding=<VERSION_BEFORE_1.0.3> sudo apt-mark hold paicoding

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list paicoding sudo dnf downgrade paicoding-<VERSION_BEFORE_1.0.3> sudo dnf versionlock add paicoding

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2025-3966?

paicoding: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-3966 being exploited?

CVE-2025-3966 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-2025-3966 affect?

CVE-2025-3966 affects paicoding. Severity is medium (CVSS 4.3). A vulnerability was found in itwanger paicoding 1.0.3 and classified as problematic. Affected by this issue is some unknown functionality of the file /user/home?userId=1&homeSelectType=read of the component Browsing History Handler. The man

How urgent is CVE-2025-3966?

Priority 31/100. Public exploit reference

Related CVEs

CVE-2026-3286 MEDIUM 6.3 DOWNGRADE A vulnerability was identified in itwanger paicoding 1.0.0/1.0.1/1.0.2/1.0.3
CVE-2025-4839 LOW 3.1 DOWNGRADE A vulnerability has been found in itwanger paicoding 1.0.0/1.0.1/1.0.2/1.0.3 and classified as problematic
CVE-2025-3967 MEDIUM 5.4 DOWNGRADE A vulnerability was found in itwanger paicoding 1.0.3
CVE-2025-3965 LOW 3.5 DOWNGRADE A vulnerability has been found in itwanger paicoding 1.0.3 and classified as problematic

References

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