CVE-2008-6983: modules/tool/hitcounter.php in devalcms 1.4a allows remote attackers to execute arbitrary PHP code via the HTT

This month

HIGH 7.5DOWNGRADE

CVE-2008-6983 is a high-severity flaw (CVSS 7.5) affecting devalcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

modules/tool/hitcounter.php in devalcms 1.4a allows remote attackers to execute arbitrary PHP code via the HTTP Referer header with a target file specified in the gv_folder_data parameter, as demonstrated by modifying modules/tool/url2header.php.

Why this priority

High severity
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	7.5 (High)
EPSS exploit chance	5.8% (top 7%)
CISA exploited list	No
Weakness	CWE-94
Published	2009-08-19
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: devalcms

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

Am I affected?

Timeline

2009-08-19 05:24 UTCPublished CVE record published
2026-06-16 23:03 UTCUpdated Record last modified

devalcms devalcms DOWNGRADE

Affected: 1.4a

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4a

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.4a (Debian / Ubuntu)

apt-cache madison devalcms sudo apt install devalcms=<VERSION_BEFORE_1.4a> sudo apt-mark hold devalcms

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

dnf --showduplicates list devalcms sudo dnf downgrade devalcms-<VERSION_BEFORE_1.4a> sudo dnf versionlock add devalcms

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: Devalcms 1.4a - Cross-Site Scripting / Remote Code Execution

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-2008-6983?

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

Is CVE-2008-6983 being exploited?

CVE-2008-6983 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-2008-6983 affect?

CVE-2008-6983 affects devalcms. Severity is high (CVSS 7.5). modules/tool/hitcounter.php in devalcms 1.4a allows remote attackers to execute arbitrary PHP code via the HTTP Referer header with a target file specified in the gv_folder_data parameter, as demonstrated by modifying modules/tool/url2heade

How urgent is CVE-2008-6983?

Priority 55/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2008-6982 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in index.php in devalcms 1.4a allows remote attackers to inject arbit

References

← Back to latest CVEs