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CVE-2015-5956

UnknownEPSS 2.01%

Last modified

CVE-2015-5956 is a vulnerability of currently unknown severity. The sanitizeLocalUrl function in TYPO3 6.x before 6.2.15, 7.x before 7.4.0, 4.5.40, and earlier allows remote authenticated users to bypass the XSS filter and conduct cross-site scripting (XSS) attacks via a base64 encoded data URI, as demonstrated by the (1) returnUrl parameter to show_rechis.php and the (2) redirect_url parameter to index.php.. EPSS estimates a 2.01% chance of exploitation in the next 30 days.

Description

The sanitizeLocalUrl function in TYPO3 6.x before 6.2.15, 7.x before 7.4.0, 4.5.40, and earlier allows remote authenticated users to bypass the XSS filter and conduct cross-site scripting (XSS) attacks via a base64 encoded data URI, as demonstrated by the (1) returnUrl parameter to show_rechis.php and the (2) redirect_url parameter to index.php.

Metrics

EPSS Probability
2.01%

78.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
Typo3Typo3<= 4.5.40—
Typo3Typo36.0—
Typo3Typo36.0.1—
Typo3Typo36.0.2—
Typo3Typo36.0.3—
Typo3Typo36.0.4—
Typo3Typo36.0.5—
Typo3Typo36.0.6—
Typo3Typo36.0.7—
Typo3Typo36.0.8—
Typo3Typo36.0.9—
Typo3Typo36.0.10—
Typo3Typo36.0.11—
Typo3Typo36.0.12—
Typo3Typo36.0.13—
Typo3Typo36.0.14—
Typo3Typo36.1—
Typo3Typo36.1.1—
Typo3Typo36.1.2—
Typo3Typo36.1.3—
Typo3Typo36.1.4—
Typo3Typo36.1.5—
Typo3Typo36.1.6—
Typo3Typo36.1.7—
Typo3Typo36.1.8—
Typo3Typo36.1.9—
Typo3Typo36.2—
Typo3Typo36.2.0Beta1
Typo3Typo36.2.1—
Typo3Typo36.2.2—
Typo3Typo36.2.3—
Typo3Typo36.2.4—
Typo3Typo36.2.5—
Typo3Typo36.2.6—
Typo3Typo36.2.7—
Typo3Typo36.2.8—
Typo3Typo36.2.9—
Typo3Typo36.2.10—
Typo3Typo36.2.11—
Typo3Typo36.2.12—
Typo3Typo36.2.13—
Typo3Typo36.2.14—
Typo3Typo37.0.0—
Typo3Typo37.1.0—
Typo3Typo37.2.0—
Typo3Typo37.3.0—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-5956?
The sanitizeLocalUrl function in TYPO3 6.x before 6.2.15, 7.x before 7.4.0, 4.5.40, and earlier allows remote authenticated users to bypass the XSS filter and conduct cross-site scripting (XSS) attacks via a base64 encoded data URI, as demonstrated by the (1) returnUrl parameter to show_rechis.php and the (2) redirect_url parameter to index.php.
How severe is CVE-2015-5956?
Severity scoring for CVE-2015-5956 is pending analysis. The EPSS model estimates a 2.01% probability of exploitation in the next 30 days.
How do I fix CVE-2015-5956?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-5956?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST