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CVE-2024-43009: A reflected cross-site scripting (XSS) vulnerability exists in user/login.php at line 24 in ZZCMS 2023 and ear

25
Routine
MEDIUM 4.7UPGRADE

CVE-2024-43009 is a medium-severity flaw (CVSS 4.7) affecting zzcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A reflected cross-site scripting (XSS) vulnerability exists in user/login.php at line 24 in ZZCMS 2023 and earlier. The application directly inserts the value of the HTTP_REFERER header into the HTML response without proper sanitization. An attacker can exploit this vulnerability by tricking a user into visiting a specially crafted URL, which includes a malicious Referer header. This can lead to the execution of arbitrary JavaScript code in the c

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score4.7 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance0.4% (top 67%)
CISA exploited listNo
WeaknessCWE-79
Published2024-08-16
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: zzcms

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

Am I affected?

Timeline

zzcms zzcms UPGRADE
Affected: <= 2023
Fixed in: newer than 2023
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy zzcms || rpm -q zzcms || zzcms --version
2. UPGRADE to newer than 2023 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade zzcms
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade zzcms
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-2024-43009?

zzcms: upgrade to newer than 2023. Exact commands for each OS are on this page.

Is CVE-2024-43009 being exploited?

CVE-2024-43009 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-2024-43009 affect?

CVE-2024-43009 affects zzcms. Severity is medium (CVSS 4.7). A reflected cross-site scripting (XSS) vulnerability exists in user/login.php at line 24 in ZZCMS 2023 and earlier. The application directly inserts the value of the HTTP_REFERER header into the HTML response without proper sanitization. An

How urgent is CVE-2024-43009?

Priority 25/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

References

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