CVE-2020-15241

Name: CVE-2020-15241
Creator: NVD / NIST
Published: 2020-10-08T21:15:10.167+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.95%

Last modified Jun 17, 2026

CVE-2020-15241 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. TYPO3 Fluid Engine (package `typo3fluid/fluid`) before versions 2.0.5, 2.1.4, 2.2.1, 2.3.5, 2.4.1, 2.5.5 or 2.6.1 is vulnerable to cross-site scripting when making use of the ternary conditional operator in templates like `{showFullName ? fullName : defaultValue}`. Updated versions of this package are bundled in following TYPO3 (`typo3/cms-core`) versions as well: TYPO3 v8.7.25 (using `typo3fluid/fluid` v2.5.4) and TYPO3 v9.5.6 (using `typo3fluid/fluid` v2.6.1).. EPSS estimates a 0.95% chance of exploitation in the next 30 days.

Description

TYPO3 Fluid Engine (package `typo3fluid/fluid`) before versions 2.0.5, 2.1.4, 2.2.1, 2.3.5, 2.4.1, 2.5.5 or 2.6.1 is vulnerable to cross-site scripting when making use of the ternary conditional operator in templates like `{showFullName ? fullName : defaultValue}`. Updated versions of this package are bundled in following TYPO3 (`typo3/cms-core`) versions as well: TYPO3 v8.7.25 (using `typo3fluid/fluid` v2.5.4) and TYPO3 v9.5.6 (using `typo3fluid/fluid` v2.6.1).

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.95%

56.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Typo3	Fluid Engine	< 2.0.5
Typo3	Fluid Engine	>= 2.1.0, < 2.1.4
Typo3	Fluid Engine	>= 2.2.0, < 2.2.1
Typo3	Fluid Engine	>= 2.3.0, < 2.3.5
Typo3	Fluid Engine	>= 2.4.0, < 2.4.1
Typo3	Fluid Engine	>= 2.5.0, < 2.5.5
Typo3	Fluid Engine	>= 2.6.0, < 2.6.1
Typo3	Typo3	8.7.25
Typo3	Typo3	9.5.6

References

https://github.com/TYPO3/Fluid/commit/9ef6a8ffff2e812025fc0701b4ce72eea6911a3dPatch, Third Party Advisory
https://github.com/TYPO3/Fluid/security/advisories/GHSA-7733-hjv6-4h47Exploit, Third Party Advisory
https://typo3.org/security/advisory/typo3-core-sa-2019-013Exploit, Third Party Advisory
https://github.com/TYPO3/Fluid/commit/9ef6a8ffff2e812025fc0701b4ce72eea6911a3dPatch, Third Party Advisory
https://github.com/TYPO3/Fluid/security/advisories/GHSA-7733-hjv6-4h47Exploit, Third Party Advisory
https://typo3.org/security/advisory/typo3-core-sa-2019-013Exploit, Third Party Advisory

Timeline

Published: Oct 8, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15241?

How severe is CVE-2020-15241?

CVE-2020-15241 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15241?

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-2020-15241?

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

Scan your code now

Source: NVD / NIST