CVE-2007-1721: Multiple PHP remote file inclusion vulnerabilities in C-Arbre 0.6PR7 and earlier allow remote attackers to exe

Q: How do I fix CVE-2007-1721?

c-arbre: upgrade to newer than 0.6_pr7. Exact commands for each OS are on this page.

Q: Is CVE-2007-1721 being exploited?

CVE-2007-1721 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-2007-1721 affect?

CVE-2007-1721 affects c-arbre. Severity is high (CVSS 10.0). Multiple PHP remote file inclusion vulnerabilities in C-Arbre 0.6PR7 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the root_path parameter to (1) Richtxt_functions.inc.php, (2) adddocfile.php, (3) auth_check.

Q: How urgent is CVE-2007-1721?

Priority 64/100. Critical severity; EPSS top 4%: very likely to be exploited; Public exploit reference

This week

HIGH 10.0UPGRADE

CVE-2007-1721 is a high-severity flaw (CVSS 10.0) affecting c-arbre. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple PHP remote file inclusion vulnerabilities in C-Arbre 0.6PR7 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the root_path parameter to (1) Richtxt_functions.inc.php, (2) adddocfile.php, (3) auth_check.php, (4) browse_current_category.inc.php, (5) docfile_details.php, (6) main.php, (7) mainarticle.php, (8) maindocfile.php, (9) modify.php, (10) new.php, (11) resource_details.php, or (12) smallsearch.php in lib

Why this priority

Critical severity
EPSS top 4%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	13.6% (top 4%)
CISA exploited list	No
Published	2007-03-28
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: realink

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

Am I affected?

Timeline

2007-03-28 00:19 UTCPublished CVE record published
2026-06-16 22:38 UTCUpdated Record last modified

realink c-arbre UPGRADE

Affected: <= 0.6_pr7

Fixed in: newer than 0.6_pr7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy c-arbre || rpm -q c-arbre || c-arbre --version

2. UPGRADE to newer than 0.6_pr7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade c-arbre

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade c-arbre

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: C-Arbre 0.6PR7 - 'ROOT_PATH' Remote File Inclusion

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-2007-1721?

c-arbre: upgrade to newer than 0.6_pr7. Exact commands for each OS are on this page.

Is CVE-2007-1721 being exploited?

CVE-2007-1721 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-2007-1721 affect?

CVE-2007-1721 affects c-arbre. Severity is high (CVSS 10.0). Multiple PHP remote file inclusion vulnerabilities in C-Arbre 0.6PR7 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the root_path parameter to (1) Richtxt_functions.inc.php, (2) adddocfile.php, (3) auth_check.

How urgent is CVE-2007-1721?

Priority 64/100. Critical severity; EPSS top 4%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2007-2261 HIGH 7.5 UPGRADE PHP remote file inclusion vulnerability in espaces/communiques/annotations.php in C-Arbre 0.6PR7 and earlier a

References

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