CVE-2023-36346: POS Codekop v2.0 was discovered to contain a reflected cross-site scripting (XSS) vulnerability via the nm_mem

This month

MEDIUM 6.1DOWNGRADE

CVE-2023-36346 is a medium-severity flaw (CVSS 6.1) affecting codekop. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

POS Codekop v2.0 was discovered to contain a reflected cross-site scripting (XSS) vulnerability via the nm_member parameter at print.php.

Why this priority

EPSS top 7%: very likely to be exploited
Public exploit reference

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	5.3% (top 7%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-06-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: codekop

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

Am I affected?

Timeline

2023-06-23 20:15 UTCPublished CVE record published
2026-06-17 06:06 UTCUpdated Record last modified

codekop codekop DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison codekop sudo apt install codekop=<VERSION_BEFORE_2.0> sudo apt-mark hold codekop

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

dnf --showduplicates list codekop sudo dnf downgrade codekop-<VERSION_BEFORE_2.0> sudo dnf versionlock add codekop

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Sales of Cashier Goods v1.0 - Cross Site Scripting (XSS)
Nuclei scan template: POS Codekop v2.0 - Cross Site Scripting

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-2023-36346?

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

Is CVE-2023-36346 being exploited?

CVE-2023-36346 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-2023-36346 affect?

CVE-2023-36346 affects codekop. Severity is medium (CVSS 6.1). POS Codekop v2.0 was discovered to contain a reflected cross-site scripting (XSS) vulnerability via the nm_member parameter at print.php.

How urgent is CVE-2023-36346?

Priority 49/100. EPSS top 7%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2023-36348 HIGH 8.8 DOWNGRADE POS Codekop v2.0 was discovered to contain an authenticated remote code execution (RCE) vulnerability via the
CVE-2023-36345 HIGH 8.8 DOWNGRADE A Cross-Site Request Forgery (CSRF) in POS Codekop v2.0 allows attackers to escalate privileges.

References

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