6.1

CVE-2020-26227: Cross-Site Scripting in Fluid view helpers

Modified
Published 23-11-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-26227 is a medium (CVSS 6.1) vulnerability in typo3. EPSS estimates a 0.72% chance of exploitation in the next 30 days, higher than 54.1% of scored vulnerabilities. 2 public exploits are recorded.

Priority
Routine

Not severe (CVSS 6.1, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.72%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits2github, reference

Timeline

  1. 23-11-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 9.5.23 and 10.4.10 the system extension Fluid (typo3/cms-fluid) of the TYPO3 core is vulnerable to cross-site scripting passing user-controlled data as argument to Fluid view helpers. Update to TYPO3 versions 9.5.23 or 10.4.10 that fix the problem described.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.72%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.72% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

2 found
  • githubUnverified

    Typo3.Cms

    Maturity: poc

  • referenceUnverified

    Exploit Reference (typo3.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Typo32 products
  • typo3≥ 6.2.0, < 6.2.54 | ≥ 7.6.0, < 7.6.48 | ≥ 8.7.0, < 8.7.38 | ≥ 9.0.0, < 9.5.23 | ≥ 10.0.0, < 10.4.10
  • typo3.cms≥ 9.0.0, < 9.5.23 | ≥ 10.0.0, < 10.4.10

1 vendor · 2 products

References

2 links