CVE-2009-3633: n/a vulnerability

CVE-2009-3633: Cross-site scripting (XSS) vulnerability in the t3lib_div::quoteJSvalue API function in TYPO3 4.0.13 and ea...

Cross-site scripting (XSS) vulnerability in the t3lib_div::quoteJSvalue API function in TYPO3 4.0.13 and earlier, 4.1.x before 4.1.13, 4.2.x before 4.2.10, and 4.3.x before 4.3beta2 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors related to the sanitizing algorithm.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 06:38 UTC (UTC+00:00)

Security readout for executives and security teams

This issue affects old TYPO3 4.x sites. A sanitizing function could fail to safely quote JavaScript values, letting a remote attacker inject script or HTML through unspecified paths. Business impact is mainly browser-side compromise: stolen sessions, defacement, phishing, or actions performed as a logged-in user. Exposure is likely limited to organizations still running vulnerable TYPO3 4.x branches or custom code/extensions depending on the flawed API behavior. Modern TYPO3 deployments are unlikely to be affected unless legacy instances remain online. Treat as a legacy exposure cleanup item unless a vulnerable TYPO3 4.x site is internet-facing or business-critical. Prioritize confirmation and upgrade planning because XSS in CMS platforms can affect authenticated users and public trust. Mitigation focus: Upgrade TYPO3 beyond the affected versions listed in the CVE record.; Use TYPO3-SA-2009-016 as the authoritative vendor guidance source.; Retire or isolate unsupported TYPO3 4.x systems if upgrade is not feasible..

Prepared: Jun 28, 2026, 18:15 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Nov 2, 2009, 15:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
typo3-t3libdivquotejsvalue-xss(53925)CVE reference · vdb-entry, x_refsource_XF

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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