CVE-2020-15241

What it is

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).

At a glance

Exploitability

Can be exploited over the network without logging in, but needs a user to act. Limited direct impact.

Exploit odds

1.0% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2020-10-08 21:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 02:56 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.0% in the next 30 days (EPSS).
• Severity: 4.7 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2020-10-08 21:15 UTC

Last modified

2026-06-17 02:56 UTC

Exploit probability

1.0% · EPSS, next 30 days

Weakness

CWE-601

Record status

Modified

Affected

• typo3 Fluid Engine < 2.0.5
• typo3 Fluid Engine < 2.1.4
• typo3 Fluid Engine < 2.2.1
• typo3 Fluid Engine < 2.3.5
• typo3 Fluid Engine < 2.4.1
• typo3 Fluid Engine < 2.5.5
• typo3 Fluid Engine < 2.6.1
• typo3 8.7.25

Attack profile CVSS 3.1 · 4.7

Attack vector

Network

Complexity

High

Privileges needed

None

User interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2020-15241.md and follow it. Check whether this project is affected by CVE-2020-15241. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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