CVE-2007-0840: Cross-site scripting (XSS) vulnerability in HLstats before 1.35 allows remote attackers to inject arbitrary we

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MEDIUM 6.8DOWNGRADE

CVE-2007-0840 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 HLstats before 1.35 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors in the search class. NOTE: it is possible that this issue overlaps CVE-2006-4543.3 or CVE-2006-4454.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Published	2007-02-08
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

2007-02-08 02:28 UTCPublished CVE record published
2026-06-16 22:36 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.

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-2007-0840?

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

Is CVE-2007-0840 being exploited?

CVE-2007-0840 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-2007-0840 affect?

CVE-2007-0840 affects hlstats. Severity is medium (CVSS 6.8). Cross-site scripting (XSS) vulnerability in HLstats before 1.35 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors in the search class. NOTE: it is possible that this issue overlaps CVE-2006-4543.3 or CV

How urgent is CVE-2007-0840?

Priority 41/100. No elevated risk signals yet.

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-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
CVE-2006-4543 MEDIUM 6.8 DOWNGRADE Cross-site scripting (XSS) vulnerability in index.php in HLStats 1.34 allows remote attackers to inject arbitr

References

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