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CVE-2020-15241

Cross-Site Scripting in TYPO3 Fluid Engine

MEDIUM
6.1
CVSS Score
Published: October 8, 2020 at 08:15 PM UTC
Updated: June 17, 2026 at 02:56 AM UTC
3 products affected across 1 vendorTYPO3Fluid EngineFluid

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Severity
MEDIUM6.1
Exploit prediction
EPSS 1.0%

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).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Fluid Engine· TYPO3
95%
v < 2.0.52.1.0 ≤ v < 2.1.42.2.0 ≤ v < 2.2.12.3.0 ≤ v < 2.3.52.4.0 ≤ v < 2.4.12.5.0 ≤ v < 2.5.52.6.0 ≤ v < 2.6.1
Affected range stops below 2.0.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.2.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.3.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.4.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.5.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.6.1, so it looks safe — our inference, not a vendor statement
TYPO3· TYPO3composer
95%
8.7.259.5.6
Fluid· TYPO3
60%
v < 2.0.5v < 2.1.4v < 2.2.1v < 2.3.5v < 2.4.1v < 2.5.5v < 2.6.1
Affected range stops below 2.0.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.2.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.3.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.4.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.5.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.6.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/TYPO3/Fluid/commit/9ef6a8ffff2e812025fc0701b4ce72eea6911a3d
x_refsource_CONFIRMExploitThird Party Advisory
Source: [email protected]
https://github.com/TYPO3/Fluid/security/advisories/GHSA-7733-hjv6-4h47
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://typo3.org/security/advisory/typo3-core-sa-2019-013

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-601CWE-79

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