CWE-644
Improper Neutralization of HTTP Headers for Scripting Syntax
The product does not neutralize or incorrectly neutralizes web scripting syntax in HTTP headers that can be used by web browser components that can process raw headers, such as Flash.
CVE-2025-27901 (GCVE-0-2025-27901)
Vulnerability from cvelistv5 – Published: 2026-02-17 19:35 – Updated: 2026-02-17 20:08
VLAI
Title
Multiple vulnerabilities in IBM Java SDK affecting Db2 Recovery Expert for Linux, Unix and Windows
Summary
IBM DB2 Recovery Expert for LUW 5.5 Interim Fix 002 IBM Db2 Recovery Expert for Linux, UNIX and Windows is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
Severity
6.5 (Medium)
CWE
- CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7259901 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | DB2 Recovery Expert for LUW |
Affected:
5.5 Interim Fix 002
(semver)
cpe:2.3:a:ibm:db2_recovery_expert_for_luw:5.5:interim_fix_002:*:*:*:*:*:* |
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CVE-2025-2950 (GCVE-0-2025-2950)
Vulnerability from cvelistv5 – Published: 2025-04-18 14:50 – Updated: 2025-08-28 16:41
VLAI
Title
IBM i improper HTTP header neutralization
Summary
IBM i 7.3, 7.4, 7.5, and 7.5 is vulnerable to a host header injection attack caused by improper neutralization of HTTP header content by IBM Navigator for i. An authenticated user can manipulate the host header in HTTP requests to change domain/IP address which may lead to unexpected behavior.
Severity
5.4 (Medium)
CWE
- CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7231320 | vendor-advisorypatch |
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CVE-2025-36223 (GCVE-0-2025-36223)
Vulnerability from cvelistv5 – Published: 2025-11-12 21:04 – Updated: 2025-11-13 15:03
VLAI
Title
IBM OpenPages Host Header Injection
Summary
IBM OpenPages 9.0 and 9.1 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
Severity
5.4 (Medium)
CWE
- CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7250239 | vendor-advisorypatch |
Impacted products
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CVE-2025-36227 (GCVE-0-2025-36227)
Vulnerability from cvelistv5 – Published: 2026-03-10 19:57 – Updated: 2026-03-10 20:12
VLAI
Title
Multiple vulnerabilities in IBM Aspera Faspex
Summary
IBM Aspera Faspex 5 5.0.0 through 5.0.14.3 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
Severity
5.4 (Medium)
CWE
- CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7262816 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | Aspera Faspex 5 |
Affected:
5.0.0 , ≤ 5.0.14.3
(semver)
cpe:2.3:a:ibm:aspera_faspex_5:5.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:aspera_faspex_5:5.0.14.3:*:*:*:*:*:*:* |
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CVE-2025-40631 (GCVE-0-2025-40631)
Vulnerability from cvelistv5 – Published: 2025-05-16 11:09 – Updated: 2025-05-16 13:46
VLAI
Title
HTTP host header injection vulnerability in IceWarp Mail Server
Summary
HTTP host header injection vulnerability in Icewarp Mail Server affecting version 11.4.0. By modifying the Host header and adding a payload, arbitrary JavaScript code can be executed on page load. The user must interact with a malicious link to be redirected.
Severity
CWE
- CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Icewarp | Icewarp Mail Server |
Affected:
11.4.0
|
Date Public
2025-05-16 10:00
Credits
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CVE-2025-52647 (GCVE-0-2025-52647)
Vulnerability from cvelistv5 – Published: 2025-10-10 22:14 – Updated: 2025-10-14 15:00
VLAI
Title
HCL BigFix WebUI is affected by a host header poisoning vulnerability
Summary
The BigFix WebUI application responds with HOST information from the HTTP header field making it vulnerable to Host Header Poisoning Attacks.
Severity
6.1 (Medium)
CWE
- CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HCL Software | BigFix WebUI |
Affected:
v11
|
Date Public
2025-10-10 22:13
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CVE-2025-52660 (GCVE-0-2025-52660)
Vulnerability from cvelistv5 – Published: 2026-01-19 17:49 – Updated: 2026-01-20 14:51
VLAI
Title
HCL AION is affected by an Host Header Injection vulnerability
Summary
HCL AION is affected by an Unrestricted File Upload vulnerability. This can allow malicious file uploads, potentially resulting in unauthorized code execution or system compromise.
Severity
CWE
- CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HCL Software | AION |
Affected:
2
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CVE-2025-64425 (GCVE-0-2025-64425)
Vulnerability from cvelistv5 – Published: 2026-01-05 20:49 – Updated: 2026-01-05 21:48
VLAI
Title
Coolify has host header injection in forgot password
Summary
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. In Coolify versions up to and including v4.0.0-beta.434, an attacker can initiate a password reset for a victim, and modify the host header of the request to a malicious value. The victim will receive a password reset email, with a link to the malicious host. If the victim clicks this link, their reset token is sent to the attacker's server, allowing the attacker to use it to change the victim's password and takeover their account. As of time of publication, it is unclear if a patch is available.
Severity
CWE
- CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/coollabsio/coolify/security/ad… | x_refsource_CONFIRM |
| https://drive.google.com/file/d/1I5sJHcpetJbKlwVS… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| coollabsio | coolify |
Affected:
<= 4.0.0-beta.434
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CVE-2025-64484 (GCVE-0-2025-64484)
Vulnerability from cvelistv5 – Published: 2025-11-10 21:33 – Updated: 2025-11-14 19:24
VLAI
Title
OAuth2-Proxy vulnerable to header smuggling via underscore, leading to potential privilege escalation
Summary
OAuth2-Proxy is an open-source tool that can act as either a standalone reverse proxy or a middleware component integrated into existing reverse proxy or load balancer setups. In versions prior to 7.13.0, all deployments of OAuth2 Proxy in front of applications that normalize underscores to dashes in HTTP headers (e.g., WSGI-based frameworks such as Django, Flask, FastAPI, and PHP applications). Authenticated users can inject underscore variants of X-Forwarded-* headers that bypass the proxy’s filtering logic, potentially escalating privileges in the upstream app. OAuth2 Proxy authentication/authorization itself is not compromised. The problem has been patched with v7.13.0. By default all specified headers will now be normalized, meaning that both capitalization and the use of underscores (_) versus dashes (-) will be ignored when matching headers to be stripped. For example, both `X-Forwarded-For` and `X_Forwarded-for` will now be treated as equivalent and stripped away. For those who have a rational that requires keeping a similar looking header and not stripping it, the maintainers introduced a new configuration field for Headers managed through the AlphaConfig called `InsecureSkipHeaderNormalization`. As a workaround, ensure filtering and processing logic in upstream services don't treat underscores and hyphens in Headers the same way.
Severity
8.5 (High)
CWE
- CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/oauth2-proxy/oauth2-proxy/secu… | x_refsource_CONFIRM |
| https://datatracker.ietf.org/doc/html/rfc2616#sec… | x_refsource_MISC |
| https://datatracker.ietf.org/doc/html/rfc822#sect… | x_refsource_MISC |
| https://github.security.telekom.com/2020/05/smugg… | x_refsource_MISC |
| https://www.uptimia.com/questions/why-are-http-he… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| oauth2-proxy | oauth2-proxy |
Affected:
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CVE-2025-66485 (GCVE-0-2025-66485)
Vulnerability from cvelistv5 – Published: 2026-04-01 23:01 – Updated: 2026-04-02 18:10
VLAI
Title
Multiple vulnerabilities have been addressed in IBM Aspera Shares
Summary
IBM Aspera Shares 1.9.9 through 1.11.0 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
Severity
5.4 (Medium)
CWE
- CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7267848 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | Aspera Shares |
Affected:
1.9.9 , ≤ 1.11.0
(semver)
cpe:2.3:a:ibm:aspera_shares:1.9.9:*:*:*:*:*:*:* cpe:2.3:a:ibm:aspera_shares:1.11.0:*:*:*:*:*:*:* |
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Mitigation
Phase: Architecture and Design
Description:
- Perform output validation in order to filter/escape/encode unsafe data that is being passed from the server in an HTTP response header.
Mitigation
Phase: Architecture and Design
Description:
- Disable script execution functionality in the clients' browser.
No CAPEC attack patterns related to this CWE.