CVE-2006-4543: Cross-site scripting (XSS) vulnerability in index.php in HLStats 1.34 allows remote attackers to inject arbitr

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MEDIUM 6.8DOWNGRADE

CVE-2006-4543 is a medium-severity flaw (CVSS 6.8) affecting hlstats. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in index.php in HLStats 1.34 allows remote attackers to inject arbitrary web script or HTML via the (1) game parameter in players mode, the (2) weapon parameter in weaponinfo mode, the (3) st parameter in search mode, the (4) action parameter in actioninfo mode, and the (5) map parameter in mapinfo mode.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	2.0% (top 20%)
CISA exploited list	No
Published	2006-09-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: hlstats

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-09-06 00:04 UTCPublished CVE record published
2026-06-16 22:29 UTCUpdated Record last modified

hlstats hlstats DOWNGRADE

Affected: 1.34

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.34

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.34 (Debian / Ubuntu)

apt-cache madison hlstats sudo apt install hlstats=<VERSION_BEFORE_1.34> sudo apt-mark hold hlstats

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

dnf --showduplicates list hlstats sudo dnf downgrade hlstats-<VERSION_BEFORE_1.34> sudo dnf versionlock add hlstats

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: HLstats 1.34 - 'index.php' Multiple Cross-Site Scripting Vulnerabilities

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-2006-4543?

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

Is CVE-2006-4543 being exploited?

CVE-2006-4543 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-2006-4543 affect?

CVE-2006-4543 affects hlstats. Severity is medium (CVSS 6.8). Cross-site scripting (XSS) vulnerability in index.php in HLStats 1.34 allows remote attackers to inject arbitrary web script or HTML via the (1) game parameter in players mode, the (2) weapon parameter in weaponinfo mode, the (3) st paramet

How urgent is CVE-2006-4543?

Priority 49/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2007-2847 HIGH 9.3 UPGRADE Multiple cross-site scripting (XSS) vulnerabilities in hlstats.php in HLstats 1.35, and possibly earlier, allo
CVE-2007-2812 MEDIUM 4.3 UPGRADE Cross-site scripting (XSS) vulnerability in hlstats.php in HLstats 1.35, and possibly earlier, allows remote a
CVE-2007-0840 MEDIUM 6.8 DOWNGRADE Cross-site scripting (XSS) vulnerability in HLstats before 1.35 allows remote attackers to inject arbitrary we
CVE-2006-6781 MEDIUM 5.0 DOWNGRADE HLstats 1.20 through 1.34 allows remote attackers to obtain sensitive information via playinfo mode, with cert
CVE-2006-6780 HIGH 7.5 DOWNGRADE SQL injection vulnerability in the login form in HLstats 1.20 through 1.34 allows remote attackers to execute

References

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