Cross-Site Scripting in TYPO3 Backend

published 2024-06-05 2y ago modified 2024-12-02 last yr.

cvss: 4.6; 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

Failing to properly encode user input, some backend components are vulnerable to Cross-Site Scripting. A valid backend user account is needed to exploit this vulnerability.

Patch / fix

fixed in 1

packagist typo3/cms 6.2.26, 7.6.10, 8.2.1

Is GHSA-86r8-4g3w-7xjp 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	4.6	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	typo3/cms	>=6.2.0, <6.2.26 >=7.6.0, <7.6.10 >=8.0.0, <8.2.1	6.2.26 7.6.10 8.2.1

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

GitHub Advisory GHSA-86r8-4g3w-7xjp

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