CVE-2006-4528: Multiple cross-site scripting (XSS) vulnerabilities in membrepass 1.5 allow remote attackers to inject arbitra

Routine

MEDIUM 4.3DOWNGRADE

CVE-2006-4528 is a medium-severity flaw (CVSS 4.3) affecting membrepass. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in membrepass 1.5 allow remote attackers to inject arbitrary web script or HTML via the (1) recherche parameter in recherchemembre.php and the (2) email parameter in test.php.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Published	2006-09-01
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: membrepass

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

Am I affected?

Timeline

2006-09-01 23:04 UTCPublished CVE record published
2026-06-16 22:29 UTCUpdated Record last modified

membrepass membrepass DOWNGRADE

Affected: 1.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.5 (Debian / Ubuntu)

apt-cache madison membrepass sudo apt install membrepass=<VERSION_BEFORE_1.5> sudo apt-mark hold membrepass

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

dnf --showduplicates list membrepass sudo dnf downgrade membrepass-<VERSION_BEFORE_1.5> sudo dnf versionlock add membrepass

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-2006-4528?

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

Is CVE-2006-4528 being exploited?

CVE-2006-4528 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-2006-4528 affect?

CVE-2006-4528 affects membrepass. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in membrepass 1.5 allow remote attackers to inject arbitrary web script or HTML via the (1) recherche parameter in recherchemembre.php and the (2) email parameter in test.php.

How urgent is CVE-2006-4528?

Priority 33/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-4530 HIGH 7.5 DOWNGRADE Direct static code injection vulnerability in include/change.php in membrepass 1.5 allows remote attackers to
CVE-2006-4529 HIGH 7.5 DOWNGRADE SQL injection vulnerability in recherchemembre.php in membrepass 1.5

References

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