Strapi up to 4.5.5 Template injection

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Strapi up to 4.5.5. This impacts an unknown function of the component Template Handler. The manipulation leads to injection. This vulnerability is traded as CVE-2023-22621. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Strapi up to 4.5.5. This issue affects an unknown functionality of the component Template Handler. The manipulation with an unknown input leads to a injection vulnerability. Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Strapi through 4.5.5 allows authenticated Server-Side Template Injection (SSTI) that can be exploited to execute arbitrary code on the server. A remote attacker with access to the Strapi admin panel can inject a crafted payload that executes code on the server into an email template that bypasses the validation checks that should prevent code execution.

The weakness was shared 04/19/2023. The advisory is shared at strapi.io. The identification of this vulnerability is CVE-2023-22621 since 01/05/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1055 for this issue.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at github.com.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Injection
CWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: github.com

Timelineinfo

01/05/2023 🔍
04/19/2023 +103 days 🔍
04/19/2023 +0 days 🔍
02/05/2025 +658 days 🔍

Sourcesinfo

Advisory: strapi.io
Status: Confirmed

CVE: CVE-2023-22621 (🔍)
GCVE (CVE): GCVE-0-2023-22621
GCVE (VulDB): GCVE-100-226829

Entryinfo

Created: 04/19/2023 19:12
Updated: 02/05/2025 18:35
Changes: 04/19/2023 19:12 (38), 02/05/2025 18:35 (26)
Complete: 🔍
Cache ID: 216::103

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