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CVE-2019-12748

Typo3 Cross-Site Scripting in Link Handling

6.1 MediumFix available

TYPO3 8.3.0 through 8.7.26 and 9.0.0 through 9.5.7 allows XSS.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.69%Up 0.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.1

TYPO3 8.3.0 through 8.7.26 and 9.0.0 through 9.5.7 allows XSS.

Record
CVE-2019-12748
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE List No score

TYPO3 8.3.0 through 8.7.26 and 9.0.0 through 9.5.7 allows XSS.

Record
CVE-2019-12748
Updated
2026-11-02
EUVDEUVD-2022-5113 No score

TYPO3 8.3.0 through 8.7.26 and 9.0.0 through 9.5.7 allows XSS.

Record
EUVD-2022-5113
Updated
2026-11-03
GitHub AdvisoriesGHSA-r6fv-56gp-j3r4 6.1

Typo3 Cross-Site Scripting in Link Handling

TYPO3 8.3.0 through 8.7.26 and 9.0.0 through 9.5.7 allows XSS.

Record
GHSA-r6fv-56gp-j3r4
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
OSV 6.1

TYPO3 8.3.0 through 8.7.26 and 9.0.0 through 9.5.7 allows XSS.

Record
CVE-2019-12748
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVGHSA-r6fv-56gp-j3r4 6.1

Typo3 Cross-Site Scripting in Link Handling

TYPO3 8.3.0 through 8.7.26 and 9.0.0 through 9.5.7 allows XSS.

Record
GHSA-r6fv-56gp-j3r4
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
typo3/cms-core
Packagist
 8.0.0 up to 8.7.27
8.7.27
typo3/cms-core
Packagist
 9.0.0 up to 9.5.8
9.5.8
typo3/cms
Packagist
 8.0.0 up to 8.7.27
8.7.27
typo3/cms
Packagist
 9.0.0 up to 9.5.8
9.5.8
typo3/cms-core
Packagist
 8.0.0 up to 8.7.27, plus listed versions
v8.7.10v8.7.11v8.7.12v8.7.13v8.7.14
Show 15 moreShow less
v8.7.15v8.7.16v8.7.17v8.7.18v8.7.19v8.7.20v8.7.21v8.7.22v8.7.23v8.7.24v8.7.25v8.7.26v8.7.7v8.7.8v8.7.9
8.7.27
typo3/cms-core
Packagist
 9.0.0 up to 9.5.8, plus listed versions
v9.0.0v9.1.0v9.2.0v9.2.1v9.3.0
Show 12 moreShow less
v9.3.1v9.3.2v9.3.3v9.4.0v9.5.0v9.5.1v9.5.2v9.5.3v9.5.4v9.5.5v9.5.6v9.5.7
9.5.8
typo3/cms
Packagist
 8.0.0 up to 8.7.27, plus listed versions
8.0.18.1.08.1.18.1.28.2.0
Show 36 moreShow less
8.2.18.3.08.3.18.4.08.4.18.5.08.5.18.6.08.6.18.7.08.7.18.7.2v8.7.10v8.7.11v8.7.12v8.7.13v8.7.14v8.7.15v8.7.16v8.7.17v8.7.18v8.7.19v8.7.20v8.7.21v8.7.22v8.7.23v8.7.24v8.7.25v8.7.26v8.7.3v8.7.4v8.7.5v8.7.6v8.7.7v8.7.8v8.7.9
8.7.27
typo3/cms
Packagist
 9.0.0 up to 9.5.8, plus listed versions
v9.0.0v9.1.0v9.2.0v9.2.1v9.3.0
Show 12 moreShow less
v9.3.1v9.3.2v9.3.3v9.4.0v9.5.0v9.5.1v9.5.2v9.5.3v9.5.4v9.5.5v9.5.6v9.5.7
9.5.8

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-12748 is a medium vulnerability (CVSS 6.1) in Typo3, published July 9, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.69%, the 52nd percentile. Fixed in typo3/cms-core 8.7.27.

References

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