CVE-2023-36666: INEX IXP-Manager before 6.3.1 allows XSS

Q: How do I fix CVE-2023-36666?

ixp manager: upgrade to 6.3.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-36666 being exploited?

CVE-2023-36666 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-36666 affect?

CVE-2023-36666 affects ixp manager. Severity is medium (CVSS 6.1). INEX IXP-Manager before 6.3.1 allows XSS. list-preamble.foil.php, page-header-preamble.foil.php, edit-form.foil.php, page-header-preamble.foil.php, overview.foil.php, cust.foil.php, and view.foil.php may be affected.

Q: How urgent is CVE-2023-36666?

Priority 30/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2023-36666 is a medium-severity flaw (CVSS 6.1) affecting ixp manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

INEX IXP-Manager before 6.3.1 allows XSS. list-preamble.foil.php, page-header-preamble.foil.php, edit-form.foil.php, page-header-preamble.foil.php, overview.foil.php, cust.foil.php, and view.foil.php may be affected.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-06-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: inex

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

Am I affected?

Timeline

2023-06-25 22:15 UTCPublished CVE record published
2026-06-17 06:06 UTCUpdated Record last modified

inex ixp manager UPGRADE

Affected: < 6.3.1

Fixed in: 6.3.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ixp-manager || rpm -q ixp-manager || ixp-manager --version

2. UPGRADE to 6.3.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ixp-manager

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ixp-manager

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2023-36666?

ixp manager: upgrade to 6.3.1. Exact commands for each OS are on this page.

Is CVE-2023-36666 being exploited?

CVE-2023-36666 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-2023-36666 affect?

CVE-2023-36666 affects ixp manager. Severity is medium (CVSS 6.1). INEX IXP-Manager before 6.3.1 allows XSS. list-preamble.foil.php, page-header-preamble.foil.php, edit-form.foil.php, page-header-preamble.foil.php, overview.foil.php, cust.foil.php, and view.foil.php may be affected.

How urgent is CVE-2023-36666?

Priority 30/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

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CVE-2020-24857 MEDIUM 6.1 UPGRADE Cross Site Scripting vulnerabilty found in IXPManager v.5.6.0 allows attackers to excute arbitrary code via th

References

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