CVE-2008-6581: login.php in PhpAddEdit 1.3 allows remote attackers to bypass authentication and gain administrative access by

This month

HIGH 7.5DOWNGRADE

CVE-2008-6581 is a high-severity flaw (CVSS 7.5) affecting phpaddedit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

login.php in PhpAddEdit 1.3 allows remote attackers to bypass authentication and gain administrative access by setting the addedit cookie parameter.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	3.3% (top 11%)
CISA exploited list	No
Weakness	CWE-287
Published	2009-04-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: phpaddedit

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

Am I affected?

Timeline

2009-04-02 15:30 UTCPublished CVE record published
2026-06-16 23:02 UTCUpdated Record last modified

phpaddedit phpaddedit DOWNGRADE

Affected: 1.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.3 (Debian / Ubuntu)

apt-cache madison phpaddedit sudo apt install phpaddedit=<VERSION_BEFORE_1.3> sudo apt-mark hold phpaddedit

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

dnf --showduplicates list phpaddedit sudo dnf downgrade phpaddedit-<VERSION_BEFORE_1.3> sudo dnf versionlock add phpaddedit

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: PhpAddEdit 1.3 - 'cookie' Authentication Bypass

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-2008-6581?

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

Is CVE-2008-6581 being exploited?

CVE-2008-6581 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-2008-6581 affect?

CVE-2008-6581 affects phpaddedit. Severity is high (CVSS 7.5). login.php in PhpAddEdit 1.3 allows remote attackers to bypass authentication and gain administrative access by setting the addedit cookie parameter.

How urgent is CVE-2008-6581?

Priority 53/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2008-6313 MEDIUM 6.8 DOWNGRADE Directory traversal vulnerability in addedit-render.php in phpAddEdit 1.3, when magic_quotes_gpc is disabled,

References

← Back to latest CVEs