CVE-2021-32667

lowpriority · track · 22EPSS 0.006 · 49 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.60% (49th) EPSS

CVSS 3.5 · low

Is it mine?

18 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

TYPO3 is an open source PHP based web content management system. Versions 9.0.0 through 9.5.28, 10.0.0 through 10.4.17, and 11.0.0 through 11.3.0 have a cross-site scripting vulnerability. When _Page TSconfig_ settings are not properly encoded, corresponding page preview module (_Web>View_) is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability. TYPO3 versions 9.5.29, 10.4.18, 11.3.1 contain a patch for this issue.

cvss

Technical severity, 0–10. One row per scoring source.

6.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–6.4

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 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 USexploitability 2.3 · impact 2.7

v3.15.4mediumAV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.16.4mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.16.4mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:Nsecondary · security-advisories@github.comexploitability 1.2 · impact 5.2

v3.16.4mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:Nsecondary · 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)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79USCWE-79US

affected products (18)

Products and version ranges known to be affected.

TYPO3 TYPO3.CMS10.0.0, → 10.4.18enisa_euvdEU
TYPO3 TYPO3.CMS11.0.0, → 11.3.1enisa_euvdEU
TYPO3 TYPO3.CMS9.0.0, → 9.5.29enisa_euvdEU
TYPO3 TYPO310.0.0 → 10.4.17fstec_bduRU
TYPO3 TYPO311.0.0 → 11.3.0fstec_bduRU
TYPO3 TYPO39.0.0 → 9.5.28fstec_bduRU
typo3 typo310.0.0 → 10.4.17nvdUScpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
typo3 typo311.0.0 → 11.3.0nvdUScpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
typo3 typo39.0.0 → 9.5.287nvdUScpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
Bitnami typo310.0.0 → 10.4.17osvUSpkg:bitnami/typo3
Bitnami typo311.0.0 → 11.3.0osvUSpkg:bitnami/typo3
Bitnami typo39.0.0 → 9.5.287osvUSpkg:bitnami/typo3
Packagist typo3/cms10.0.0 → 10.4.18osvUSpkg:composer/typo3/cms
Packagist typo3/cms11.0.0 → 11.3.1osvUSpkg:composer/typo3/cms
Packagist typo3/cms9.0.0 → 9.5.28osvUSpkg:composer/typo3/cms
Packagist typo3/cms-core10.0.0 → 10.4.18osvUSpkg:composer/typo3/cms-core
Packagist typo3/cms-core11.0.0 → 11.3.1osvUSpkg:composer/typo3/cms-core
Packagist typo3/cms-core9.0.0 → 9.5.28osvUSpkg:composer/typo3/cms-core

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-8mq9-fqv8-59wfCross-Site Scripting in Page Preview2021-07-22ghsa · osvUS
> ### Meta > * CVSS: `CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC` (5.0) ### Problem Failing to properly encode _Page TSconfig_ settings, corresponding page preview module (_Web>View_) is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability. ### Solution Update to TYPO3 versions 9.5.28, 10.4.18, 11.3.1 that fix the problem described. ### Credits Thanks to TYPO3 core merger Oliver Bartsch who reported and fixed the issue. ### References * [TYPO3-CORE-SA-2021-009](https://typo3.org/security/advisory/typo3-core-sa-2021-009)
BIT-typo3-2021-326672024-03-06vendor · osvUS
TYPO3 is an open source PHP based web content management system. Versions 9.0.0 through 9.5.28, 10.0.0 through 10.4.17, and 11.0.0 through 11.3.0 have a cross-site scripting vulnerability. When _Page TSconfig_ settings are not properly encoded, corresponding page preview module (_Web>View_) is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability. TYPO3 versions 9.5.29, 10.4.18, 11.3.1 contain a patch for this issue.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv nvd NVD CVE.org MITRE

published 2021-07-20modified 2026-06-17

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+53006 more

references (9)

External citations — patches, advisories, analysis.

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