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Fencer Intel
medium 5.4

GHSA-2rcw-9hrm-8q7q json

TYPO3 Cross-Site Scripting in Frontend User Login

published 2y ago modified last yr.

cvss
5.4
version 3.1, GitHub
cisa kev
Not listed
not in CISA's catalog
epss
—
no score, EPSS covers CVEs only
public exploits
0
none known

Summary

Failing to properly encode user input, login status display is vulnerable to cross-site scripting in the website frontend. A valid user account is needed in order to exploit this vulnerability - either a backend user or a frontend user having the possibility to modify their user profile.

Template patterns that are affected are

- ###FEUSER_[fieldName]### using system extension felogin - <!--###USERNAME###--> for regular frontend rendering (pattern can be defined individually using TypoScript setting config.USERNAME_substToken)

Patch / fix

  • packagist typo3/cms 7.6.32, 8.7.21, 9.5.2

Is GHSA-2rcw-9hrm-8q7q in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CVSS scores

assigned by version score vector
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist typo3/cms
>=7.0.0, <7.6.32
>=8.0.0, <8.7.21
>=9.0.0, <9.5.2
7.6.32
8.7.21
9.5.2

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.