CVE-2021-21358

lowPriorität · verfolgen · 22EPSS 0.009 · 59. PerzentilEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.87% (59th) EPSS

CVSS 3.5 · low

Is it mine?

12 products

Prüfe deine Angriffsfläche

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · bewertet 2026-10-27

TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 10.4.14, 11.1.1 it has been discovered that the Form Designer backend module of the Form Framework is vulnerable to cross-site scripting. A valid backend user account with access to the form module is needed to exploit this vulnerability. This is fixed in versions 10.4.14, 11.1.1.

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

5.4

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · low–medium · 3.5–5.4

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USAusnutzbarkeit 6.8 · Auswirkung 2.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USAusnutzbarkeit 2.3 · Auswirkung 2.7

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondary · ENISA EU

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondary · security-advisories@github.comAusnutzbarkeit 2.3 · Auswirkung 2.7

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:Csecondary · OSV

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-79USCWE-79US

betroffene Produkte (12)

Betroffene Produkte und Versionsbereiche.

TYPO3 TYPO3.CMS≤ 10.2.0, ≤ 10.4.13enisa_euvdEU
TYPO3 TYPO3.CMS≤ 11.0.0, ≤ 11.1.0enisa_euvdEU
typo3 typo310.2.0 → 10.4.14nvdUScpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
typo3 typo311.0.0 → 11.1.1nvdUScpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
Bitnami typo310.2.0 → 10.4.14osvUSpkg:bitnami/typo3
Bitnami typo311.0.0 → 11.1.1osvUSpkg:bitnami/typo3
Packagist typo3/cms10.0.0 → 10.4.14osvUSpkg:composer/typo3/cms
Packagist typo3/cms11.0.0 → 11.1.1osvUSpkg:composer/typo3/cms
Packagist typo3/cms-core10.0.0 → 10.4.14osvUSpkg:composer/typo3/cms-core
Packagist typo3/cms-core11.0.0 → 11.1.1osvUSpkg:composer/typo3/cms-core
Packagist typo3/cms-form10.2.0 → 10.4.14osvUSpkg:composer/typo3/cms-form
Packagist typo3/cms-form11.0.0 → 11.1.1osvUSpkg:composer/typo3/cms-form

Advisories (2)

Hersteller- und Ökosystem-Meldungen dazu.

GHSA-x79j-wgqv-g8h2Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form2021-03-23ghsa · osvUS
### Problem It has been discovered that the Form Designer backend module of the Form Framework is vulnerable to cross-site scripting. A valid backend user account with access to the form module is needed to exploit this vulnerability. ### Solution Update to TYPO3 versions 10.4.14 or 11.1.1 that fix the problem described. ### Credits Thanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue. ### References * [TYPO3-CORE-SA-2021-004](https://typo3.org/security/advisory/typo3-core-sa-2021-004)
BIT-typo3-2021-213582024-03-06vendor · osvUS
TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 10.4.14, 11.1.1 it has been discovered that the Form Designer backend module of the Form Framework is vulnerable to cross-site scripting. A valid backend user account with access to the form module is needed to exploit this vulnerability. This is fixed in versions 10.4.14, 11.1.1.

auch bekannt als (5)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

veröffentlicht 2021-03-23geändert 2026-06-17

Referenzen (12)

Externe Belege — Patches, Meldungen, Analysen.

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