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4 vulnerabilities found for Extension "Event management and registration" by TYPO3
CVE-2026-77129 (GCVE-0-2026-77129)
Vulnerability from nvd – Published: 2026-08-25 09:00 – Updated: 2026-08-25 14:07
VLAI
EPSS
VEX
Title
Server-Side Template Injection in extension "Event management and registration" (sf_event_mgt)
Summary
The extension passes an editor-configurable email subject string directly into a Fluid template source without restriction. A backend user with edit access to the event plugin or Backend Module can supply Fluid ViewHelper syntax in this field to disclose sensitive data or execute TypoScript content objects. Exploitation of this issue requires an authenticated backend account with edit access to the event registration plugin or backend module.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 14:07 UTC
CWE
- CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://typo3.org/security/advisory/typo3-ext-sa-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TYPO3 | Extension "Event management and registration" |
Affected:
9.0.0 , < 9.0.3
(semver)
Affected: 8.0.0 , < 8.6.2 (semver) Affected: 7.0.0 , < 7.9.3 (semver) Affected: 6.0.0 , < 6.7.2 (semver) Affected: 0 , < 5.9.3 (semver) |
Date Public
2026-08-25 09:00
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CVE-2026-77128 (GCVE-0-2026-77128)
Vulnerability from nvd – Published: 2026-08-25 09:00 – Updated: 2026-08-25 14:06
VLAI
EPSS
VEX
Title
Broken Access Control in extension "Event management and registration" (sf_event_mgt)
Summary
The extension fails to enforce enable-field restrictions on a repository query parameter. An unauthenticated remote user can pass a demand-override parameter to view hidden or time-restricted events, unless the disableOverrideDemand plugin setting is active. Exploitation of this issue requires only that disableOverrideDemand is not enabled.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 14:06 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://typo3.org/security/advisory/typo3-ext-sa-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TYPO3 | Extension "Event management and registration" |
Affected:
9.0.0 , < 9.0.3
(semver)
Affected: 8.0.0 , < 8.6.2 (semver) Affected: 7.0.0 , < 7.9.3 (semver) Affected: 6.0.0 , < 6.7.2 (semver) Affected: 0 , < 5.9.3 (semver) |
Date Public
2026-08-25 09:00
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CVE-2026-77128 (GCVE-0-2026-77128)
Vulnerability from cvelistv5 – Published: 2026-08-25 09:00 – Updated: 2026-08-25 14:06
VLAI
EPSS
VEX
Title
Broken Access Control in extension "Event management and registration" (sf_event_mgt)
Summary
The extension fails to enforce enable-field restrictions on a repository query parameter. An unauthenticated remote user can pass a demand-override parameter to view hidden or time-restricted events, unless the disableOverrideDemand plugin setting is active. Exploitation of this issue requires only that disableOverrideDemand is not enabled.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 14:06 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://typo3.org/security/advisory/typo3-ext-sa-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TYPO3 | Extension "Event management and registration" |
Affected:
9.0.0 , < 9.0.3
(semver)
Affected: 8.0.0 , < 8.6.2 (semver) Affected: 7.0.0 , < 7.9.3 (semver) Affected: 6.0.0 , < 6.7.2 (semver) Affected: 0 , < 5.9.3 (semver) |
Date Public
2026-08-25 09:00
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CVE-2026-77129 (GCVE-0-2026-77129)
Vulnerability from cvelistv5 – Published: 2026-08-25 09:00 – Updated: 2026-08-25 14:07
VLAI
EPSS
VEX
Title
Server-Side Template Injection in extension "Event management and registration" (sf_event_mgt)
Summary
The extension passes an editor-configurable email subject string directly into a Fluid template source without restriction. A backend user with edit access to the event plugin or Backend Module can supply Fluid ViewHelper syntax in this field to disclose sensitive data or execute TypoScript content objects. Exploitation of this issue requires an authenticated backend account with edit access to the event registration plugin or backend module.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 14:07 UTC
CWE
- CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://typo3.org/security/advisory/typo3-ext-sa-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TYPO3 | Extension "Event management and registration" |
Affected:
9.0.0 , < 9.0.3
(semver)
Affected: 8.0.0 , < 8.6.2 (semver) Affected: 7.0.0 , < 7.9.3 (semver) Affected: 6.0.0 , < 6.7.2 (semver) Affected: 0 , < 5.9.3 (semver) |
Date Public
2026-08-25 09:00
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"value": "The extension passes an editor-configurable email subject string directly into a Fluid template source without restriction. A backend user with edit access to the event plugin or Backend Module can supply Fluid ViewHelper syntax in this field to disclose sensitive data or execute TypoScript content objects. Exploitation of this issue requires an authenticated backend account with edit access to the event registration plugin or backend module."
}
],
"value": "The extension passes an editor-configurable email subject string directly into a Fluid template source without restriction. A backend user with edit access to the event plugin or Backend Module can supply Fluid ViewHelper syntax in this field to disclose sensitive data or execute TypoScript content objects. Exploitation of this issue requires an authenticated backend account with edit access to the event registration plugin or backend module."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
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{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-1336",
"description": "CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-25T09:00:44.104Z",
"orgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
"shortName": "TYPO3"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://typo3.org/security/advisory/typo3-ext-sa-2026-023"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Server-Side Template Injection in extension \"Event management and registration\" (sf_event_mgt)",
"x_generator": {
"engine": "Vulnogram 1.0.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
"assignerShortName": "TYPO3",
"cveId": "CVE-2026-77129",
"datePublished": "2026-08-25T09:00:44.104Z",
"dateReserved": "2026-08-20T13:10:12.062Z",
"dateUpdated": "2026-08-25T14:07:46.294Z",
"state": "PUBLISHED"
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