Common Weakness Enumeration
CWE-94
Allowed-with-ReviewImproper Control of Generation of Code ('Code Injection')
Abstraction: Base · Status: Draft
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
8301 vulnerabilities reference this CWE, most recent first.
CVE-2023-4142 (GCVE-0-2023-4142)
Vulnerability from cvelistv5 – Published: 2023-08-04 02:04 – Updated: 2026-04-08 17:27
VLAI
EPSS
VEX
Title
WP Ultimate CSV Importer <= 7.9.8 - Authenticated (Author+) Remote Code Execution
Summary
The WP Ultimate CSV Importer plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 7.9.8 via the '->cus1' parameter. This allows authenticated attackers with author-level permissions or above, if the administrator previously grants access in the plugin settings, to execute code on the server. The author resolved this vulnerability by removing the ability for authors and editors to import files, please note that this means remote code execution is still possible for site administrators, use the plugin with caution.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| smackcoders | WP Ultimate CSV Importer – Import CSV, XML & Excel into WordPress |
Affected:
0 , ≤ 7.9.8
(semver)
|
Credits
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CVE-2023-4141 (GCVE-0-2023-4141)
Vulnerability from cvelistv5 – Published: 2023-08-04 02:04 – Updated: 2026-04-08 17:17
VLAI
EPSS
VEX
Title
WP Ultimate CSV Importer <= 7.9.8 - Authenticated (Author+) PHP File Creation to Remote Code Execution
Summary
The WP Ultimate CSV Importer plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 7.9.8 via the '->cus2' parameter. This allows authenticated attackers with author-level permissions or above, if the administrator previously grants access in the plugin settings, to create a PHP file and execute code on the server. The author resolved this vulnerability by removing the ability for authors and editors to import files, please note that this means php file creation is still allowed for site administrators, use the plugin with caution.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| smackcoders | WP Ultimate CSV Importer – Import CSV, XML & Excel into WordPress |
Affected:
0 , ≤ 7.9.8
(semver)
|
Credits
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CVE-2023-3656 (GCVE-0-2023-3656)
Vulnerability from cvelistv5 – Published: 2023-10-03 07:39 – Updated: 2024-08-02 07:01
VLAI
EPSS
VEX
Title
Unauthenticated Remote Code Execution
Summary
cashIT! - serving solutions. Devices from "PoS/ Dienstleistung, Entwicklung & Vertrieb GmbH" to 03.A06rks 2023.02.37 are affected by an unauthenticated remote code execution vulnerability. This vulnerability can be triggered by an HTTP endpoint exposed to the network.
Severity
9.8 (Critical)
CWE
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PoS/ Dienstleistung, Entwicklung & Vertrieb GmbH | cashIT! - serving solutions. |
Affected:
0 , ≤ 03.A06rks
(custom)
|
Date Public
2023-10-03 07:36
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CVE-2023-3551 (GCVE-0-2023-3551)
Vulnerability from cvelistv5 – Published: 2023-07-08 08:05 – Updated: 2024-10-30 14:49
VLAI
EPSS
VEX
Title
Code Injection in nilsteampassnet/teampass
Summary
Code Injection in GitHub repository nilsteampassnet/teampass prior to 3.0.10.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| nilsteampassnet | nilsteampassnet/teampass |
Affected:
unspecified , < 3.0.10
(custom)
|
|
| teampass | teampass |
Affected:
0 , < 3.0.10
(custom)
cpe:2.3:a:teampass:teampass:*:*:*:*:*:*:*:* |
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CVE-2023-3519 (GCVE-0-2023-3519)
Vulnerability from cvelistv5 – Published: 2023-07-19 17:51 – Updated: 2025-10-21 23:05
VLAI
EPSS
VEX
Summary
Unauthenticated remote code execution
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
3 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Citrix | NetScaler ADC |
Affected:
13.1 , < 49.13
(patch)
Affected: 13.0 , < 91.13 (patch) Affected: 13.1-FIPS , < 37.159 (patch) Affected: 12.1-FIPS , < 55.297 (patch) Affected: 12.1-NDcPP , < 55.297 (patch) |
|
| Citrix | NetScaler Gateway |
Affected:
13.1 , < 49.13
(patch)
Affected: 13.0 , < 91.13 (patch) |
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CVE-2023-3401 (GCVE-0-2023-3401)
Vulnerability from cvelistv5 – Published: 2023-08-02 08:30 – Updated: 2025-11-20 04:07
VLAI
EPSS
VEX
Title
Improper Control of Generation of Code ('Code Injection') in GitLab
Summary
An issue has been discovered in GitLab affecting all versions before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. The main branch of a repository with a specially designed name allows an attacker to create repositories with malicious code.
Severity
4.8 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/issues/416252 | issue-tracking |
| https://hackerone.com/reports/2031845 | technical-descriptionexploitpermissions-required |
Impacted products
Credits
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CVE-2023-3393 (GCVE-0-2023-3393)
Vulnerability from cvelistv5 – Published: 2023-06-23 18:11 – Updated: 2024-11-07 20:37
VLAI
EPSS
VEX
Title
Code Injection in fossbilling/fossbilling
Summary
Code Injection in GitHub repository fossbilling/fossbilling prior to 0.5.1.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| fossbilling | fossbilling/fossbilling |
Affected:
unspecified , < 0.5.1
(custom)
|
|
| fossbilling | fossbilling |
Affected:
0 , < 0.5.1
(custom)
cpe:2.3:a:fossbilling:fossbilling:*:*:*:*:*:*:*:* |
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CVE-2023-3224 (GCVE-0-2023-3224)
Vulnerability from cvelistv5 – Published: 2023-06-13 00:00 – Updated: 2025-01-03 02:10
VLAI
EPSS
VEX
Title
Code Injection in nuxt/nuxt
Summary
Code Injection in GitHub repository nuxt/nuxt prior to 3.5.3.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code
Assigner
References
Impacted products
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CVE-2023-2943 (GCVE-0-2023-2943)
Vulnerability from cvelistv5 – Published: 2023-05-27 00:00 – Updated: 2025-01-14 18:30
VLAI
EPSS
VEX
Title
Code Injection in openemr/openemr
Summary
Code Injection in GitHub repository openemr/openemr prior to 7.0.1.
Severity
4.6 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| openemr | openemr/openemr |
Affected:
unspecified , < 7.0.1
(custom)
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CVE-2023-2928 (GCVE-0-2023-2928)
Vulnerability from cvelistv5 – Published: 2023-05-27 09:31 – Updated: 2025-01-13 21:03
VLAI
EPSS
VEX
Title
DedeCMS article_allowurl_edit.php code injection
Summary
A vulnerability was found in DedeCMS up to 5.7.106. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file uploads/dede/article_allowurl_edit.php. The manipulation of the argument allurls leads to code injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-230083.
Severity
6.3 (Medium)
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Code Injection
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.230083 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.230083 | signaturepermissions-required |
| https://github.com/testwordpress123/cve/blob/main… | exploit |
Credits
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Mitigation
Architecture and Design
Strategy: Refactoring
Refactor your program so that you do not have to dynamically generate code.
Mitigation
Architecture and Design
- Run your code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which code can be executed by your product.
- Examples include the Unix chroot jail and AppArmor. In general, managed code may provide some protection.
- This may not be a feasible solution, and it only limits the impact to the operating system; the rest of your application may still be subject to compromise.
- Be careful to avoid CWE-243 and other weaknesses related to jails.
Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
- To reduce the likelihood of code injection, use stringent allowlists that limit which constructs are allowed. If you are dynamically constructing code that invokes a function, then verifying that the input is alphanumeric might be insufficient. An attacker might still be able to reference a dangerous function that you did not intend to allow, such as system(), exec(), or exit().
Mitigation
Testing
Use dynamic tools and techniques that interact with the product using large test suites with many diverse inputs, such as fuzz testing (fuzzing), robustness testing, and fault injection. The product's operation may slow down, but it should not become unstable, crash, or generate incorrect results.
Mitigation MIT-32
Operation
Strategy: Compilation or Build Hardening
Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).
Mitigation MIT-32
Operation
Strategy: Environment Hardening
Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).
Mitigation
Implementation
For Python programs, it is frequently encouraged to use the ast.literal_eval() function instead of eval, since it is intentionally designed to avoid executing code. However, an adversary could still cause excessive memory or stack consumption via deeply nested structures [REF-1372], so the python documentation discourages use of ast.literal_eval() on untrusted data [REF-1373].
CAPEC-242: Code Injection
An adversary exploits a weakness in input validation on the target to inject new code into that which is currently executing. This differs from code inclusion in that code inclusion involves the addition or replacement of a reference to a code file, which is subsequently loaded by the target and used as part of the code of some application.
CAPEC-35: Leverage Executable Code in Non-Executable Files
An attack of this type exploits a system's trust in configuration and resource files. When the executable loads the resource (such as an image file or configuration file) the attacker has modified the file to either execute malicious code directly or manipulate the target process (e.g. application server) to execute based on the malicious configuration parameters. Since systems are increasingly interrelated mashing up resources from local and remote sources the possibility of this attack occurring is high.
CAPEC-77: Manipulating User-Controlled Variables
This attack targets user controlled variables (DEBUG=1, PHP Globals, and So Forth). An adversary can override variables leveraging user-supplied, untrusted query variables directly used on the application server without any data sanitization. In extreme cases, the adversary can change variables controlling the business logic of the application. For instance, in languages like PHP, a number of poorly set default configurations may allow the user to override variables.