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CVE-2006-4923: Cross-site scripting (XSS) vulnerability in search.php in eSyndiCat Portal System allows remote attackers to i

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MEDIUM 4.3MITIGATE

CVE-2006-4923 is a medium-severity flaw (CVSS 4.3) affecting esyndicat portal system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in search.php in eSyndiCat Portal System allows remote attackers to inject arbitrary web script or HTML via the what parameter.

Why this priority

  • EPSS top 9%: very likely to be exploited
  • Public exploit reference

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

Risk facts

CVSS score4.3 (Medium)
EPSS exploit chance4.5% (top 9%)
CISA exploited listNo
Published2006-09-21
Last modified2026-06-16
Publisher (CNA): MITRE · Vendor: esyndicat portal system

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

Am I affected?

Timeline

esyndicat portal system esyndicat portal system MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy esyndicat-portal-system || rpm -q esyndicat-portal-system || esyndicat-portal-system --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

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-2006-4923?

esyndicat portal system: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-4923 being exploited?

CVE-2006-4923 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-2006-4923 affect?

CVE-2006-4923 affects esyndicat portal system. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in search.php in eSyndiCat Portal System allows remote attackers to inject arbitrary web script or HTML via the what parameter.

How urgent is CVE-2006-4923?

Priority 43/100. EPSS top 9%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

References

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