CVE-2007-3587: MyCMS 0.9.8 and earlier allows remote attackers to gain privileges via the admin cookie parameter, as demonstr

Q: How do I fix CVE-2007-3587?

mycms: upgrade to newer than 0.9.8. Exact commands for each OS are on this page.

Q: Is CVE-2007-3587 being exploited?

CVE-2007-3587 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-2007-3587 affect?

CVE-2007-3587 affects mycms. Severity is high (CVSS 7.5). MyCMS 0.9.8 and earlier allows remote attackers to gain privileges via the admin cookie parameter, as demonstrated by a post to admin/settings.php that injects PHP code into settings.inc, which can then be executed via a direct request to i

Q: How urgent is CVE-2007-3587?

Priority 53/100. High severity; Public exploit reference

This month

HIGH 7.5UPGRADE

CVE-2007-3587 is a high-severity flaw (CVSS 7.5) affecting mycms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MyCMS 0.9.8 and earlier allows remote attackers to gain privileges via the admin cookie parameter, as demonstrated by a post to admin/settings.php that injects PHP code into settings.inc, which can then be executed via a direct request to index.php.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Published	2007-07-05
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mycms

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

Am I affected?

Timeline

2007-07-05 20:30 UTCPublished CVE record published
2026-06-16 22:42 UTCUpdated Record last modified

mycms mycms UPGRADE

Affected: <= 0.9.8

Fixed in: newer than 0.9.8

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.9.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mycms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mycms

Note

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

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: MyCMS 0.9.8 - Remote Command Execution (1)

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-2007-3587?

mycms: upgrade to newer than 0.9.8. Exact commands for each OS are on this page.

Is CVE-2007-3587 being exploited?

CVE-2007-3587 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-2007-3587 affect?

CVE-2007-3587 affects mycms. Severity is high (CVSS 7.5). MyCMS 0.9.8 and earlier allows remote attackers to gain privileges via the admin cookie parameter, as demonstrated by a post to admin/settings.php that injects PHP code into settings.inc, which can then be executed via a direct request to i

How urgent is CVE-2007-3587?

Priority 53/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2022-4892 LOW 3.5 UPGRADE A vulnerability was found in MyCMS
CVE-2007-3586 HIGH 7.5 UPGRADE Multiple direct static code injection vulnerabilities in MyCMS 0.9.8 and earlier allow remote attackers to inj
CVE-2007-3585 HIGH 7.5 UPGRADE PHP remote file inclusion vulnerability in games.php in MyCMS 0.9.8 and earlier allows remote attackers to exe

References

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