CVE-2023-31816: IT Sourcecode Content Management System Project In PHP and MySQL With Source Code 1.0.0 is vulnerable to Cross

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MEDIUM 6.1WATCHLISTDOWNGRADE

CVE-2023-31816 is a medium-severity flaw (CVSS 6.1) affecting content management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IT Sourcecode Content Management System Project In PHP and MySQL With Source Code 1.0.0 is vulnerable to Cross Site Scripting (XSS) via /ecodesource/search_list.php.

Why this priority

Public exploit reference
On your watchlist

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-05-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: content management system project

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

Am I affected?

Timeline

2023-05-22 21:15 UTCPublished CVE record published
2026-06-17 05:57 UTCUpdated Record last modified

content management system project content management system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy content-management-system || rpm -q content-management-system || content-management-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison content-management-system sudo apt install content-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold content-management-system

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

dnf --showduplicates list content-management-system sudo dnf downgrade content-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add content-management-system

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-2023-31816?

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

Is CVE-2023-31816 being exploited?

CVE-2023-31816 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-2023-31816 affect?

CVE-2023-31816 affects content management system. Severity is medium (CVSS 6.1). IT Sourcecode Content Management System Project In PHP and MySQL With Source Code 1.0.0 is vulnerable to Cross Site Scripting (XSS) via /ecodesource/search_list.php.

How urgent is CVE-2023-31816?

Priority 41/100. Public exploit reference; On your watchlist

Software pages

PHP vulnerabilities · MySQL vulnerabilities

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References

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