CVE-2008-5858: Multiple cross-site scripting (XSS) vulnerabilities in KnowledgeTree before 3.5.4a allow remote attackers to i

Q: How do I fix CVE-2008-5858?

knowledgetree document management: upgrade to newer than 3.5.4. Exact commands for each OS are on this page.

Q: Is CVE-2008-5858 being exploited?

CVE-2008-5858 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-2008-5858 affect?

CVE-2008-5858 affects knowledgetree document management. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in KnowledgeTree before 3.5.4a allow remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different issue than CVE-2007-4281.

Q: How urgent is CVE-2008-5858?

Priority 31/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2008-5858 is a medium-severity flaw (CVSS 4.3) affecting knowledgetree document management. 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 KnowledgeTree before 3.5.4a allow remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different issue than CVE-2007-4281.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.0% (top 36%)
CISA exploited list	No
Weakness	CWE-79
Published	2009-01-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: knowledgetree document management

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

Am I affected?

Timeline

2009-01-06 17:30 UTCPublished CVE record published
2026-06-16 23:01 UTCUpdated Record last modified

knowledgetree document management knowledgetree document management UPGRADE

Affected: <= 3.5.4 · 3.0.0 · 3.0.1 · 3.0.2 · 3.0.3 · 3.0.3a · 3.0.3b · 3.1

Fixed in: newer than 3.5.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy knowledgetree-document-management || rpm -q knowledgetree-document-management || knowledgetree-document-management --version

2. UPGRADE to newer than 3.5.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade knowledgetree-document-management

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade knowledgetree-document-management

Note

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

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-2008-5858?

knowledgetree document management: upgrade to newer than 3.5.4. Exact commands for each OS are on this page.

Is CVE-2008-5858 being exploited?

CVE-2008-5858 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-2008-5858 affect?

CVE-2008-5858 affects knowledgetree document management. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in KnowledgeTree before 3.5.4a allow remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different issue than CVE-2007-4281.

How urgent is CVE-2008-5858?

Priority 31/100. No elevated risk signals yet.

Related CVEs

CVE-2008-5857 MEDIUM 6.5 UPGRADE The DropDocuments plugin in KnowledgeTree before 3.5.4a allows remote authenticated users to gain administrati

References

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