CVE-2023-41159: A Stored Cross-Site Scripting (XSS) vulnerability while editing the autoreply file page in Usermin 2.000 allow

Routine

MEDIUM 5.4DOWNGRADE

CVE-2023-41159 is a medium-severity flaw (CVSS 5.4) affecting usermin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Stored Cross-Site Scripting (XSS) vulnerability while editing the autoreply file page in Usermin 2.000 allows remote attackers to inject arbitrary web script or HTML by editing the forward file manually.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-09-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: webmin

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

Am I affected?

Timeline

2023-09-14 21:15 UTCPublished CVE record published
2026-06-17 06:20 UTCUpdated Record last modified

webmin usermin DOWNGRADE

Affected: 2.000

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.000

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.000 (Debian / Ubuntu)

apt-cache madison usermin sudo apt install usermin=<VERSION_BEFORE_2.000> sudo apt-mark hold usermin

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

dnf --showduplicates list usermin sudo dnf downgrade usermin-<VERSION_BEFORE_2.000> sudo dnf versionlock add usermin

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-2023-41159?

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

Is CVE-2023-41159 being exploited?

CVE-2023-41159 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-2023-41159 affect?

CVE-2023-41159 affects usermin. Severity is medium (CVSS 5.4). A Stored Cross-Site Scripting (XSS) vulnerability while editing the autoreply file page in Usermin 2.000 allows remote attackers to inject arbitrary web script or HTML by editing the forward file manually.

How urgent is CVE-2023-41159?

Priority 30/100. No elevated risk signals yet.

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References

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