CVE-2023-34855: A Cross Site Scripting (XSS) vulnerability in Youxun Electronic Equipment (Shanghai) Co., Ltd AC Centralized M

Routine

MEDIUM 4.8DOWNGRADE

CVE-2023-34855 is a medium-severity flaw (CVSS 4.8) affecting ac centralized management platform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Cross Site Scripting (XSS) vulnerability in Youxun Electronic Equipment (Shanghai) Co., Ltd AC Centralized Management Platform v1.02.040 allows attackers to execute arbitrary code via uploading a crafted HTML file to the interface /upfile.cgi.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-06-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ac centralized management platform project

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

Am I affected?

Timeline

2023-06-12 13:15 UTCPublished CVE record published
2026-06-17 06:04 UTCUpdated Record last modified

ac centralized management platform project ac centralized management platform DOWNGRADE

Affected: 1.02.040

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.02.040

1. Check installed version

apt-cache policy ac-centralized-management-platform || rpm -q ac-centralized-management-platform || ac-centralized-management-platform --version

2. No fixed release: DOWNGRADE to a release before 1.02.040 (Debian / Ubuntu)

apt-cache madison ac-centralized-management-platform sudo apt install ac-centralized-management-platform=<VERSION_BEFORE_1.02.040> sudo apt-mark hold ac-centralized-management-platform

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

dnf --showduplicates list ac-centralized-management-platform sudo dnf downgrade ac-centralized-management-platform-<VERSION_BEFORE_1.02.040> sudo dnf versionlock add ac-centralized-management-platform

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-2023-34855?

ac centralized management platform: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-34855 being exploited?

CVE-2023-34855 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-2023-34855 affect?

CVE-2023-34855 affects ac centralized management platform. Severity is medium (CVSS 4.8). A Cross Site Scripting (XSS) vulnerability in Youxun Electronic Equipment (Shanghai) Co., Ltd AC Centralized Management Platform v1.02.040 allows attackers to execute arbitrary code via uploading a crafted HTML file to the interface /upfile

How urgent is CVE-2023-34855?

Priority 30/100. Public exploit reference

References

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