How severe is CVE-2015-8758?

CVE-2015-8758 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2015-8758 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8758?

CVE-2015-8758 primarily affects Typo3. In total, 39 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-8758?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-8758 published?

CVE-2015-8758 was published on 2016-01-08 and last updated on 2026-06-17.

CVE-2015-8758

CVE-2015-8758 is a medium-severity vulnerability in Typo3 with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Typo3
Published: 2016-01-08
Last modified: 2026-06-17

Description

Multiple cross-site scripting (XSS) vulnerabilities in unspecified frontend components in TYPO3 6.2.x before 6.2.16 and 7.x before 7.6.1 allow remote authenticated editors to inject arbitrary web script or HTML via unknown vectors.

Frequently asked questions

What is CVE-2015-8758?: Multiple cross-site scripting (XSS) vulnerabilities in unspecified frontend components in TYPO3 6.2.x before 6.2.16 and 7.x before 7.6.1 allow remote authenticated editors to inject arbitrary web script or HTML via unknown vectors.
How severe is CVE-2015-8758?: CVE-2015-8758 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2015-8758 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8758?: CVE-2015-8758 primarily affects Typo3. In total, 39 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-8758?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-8758 published?: CVE-2015-8758 was published on 2016-01-08 and last updated on 2026-06-17.

References

Affected products (39)

cpe:2.3:a:typo3:typo3:6.2.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.0:beta1:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.0:beta2:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.0:beta3:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.0:beta4:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.0:beta5:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.0:beta6:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.0:beta7:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.0:rc1:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.0:rc2:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.1:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.2:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.3:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.4:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.5:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.6:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.7:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.8:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.9:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.10:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.10:rc1:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.11:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.12:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.13:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.14:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:6.2.15:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:7.1.0:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:7.2.0:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:7.3.0:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:7.3.1:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:7.5.0:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:7.6.0:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:7.6.1:*:*:*:*:*:*:*

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