ModSecurity's Insufficient Return Value Handling can Lead to XSS and Source Code Disclosure
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| owasp-modsecurity | ModSecurity | affected |
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No data.
| Vendor | Product | Versions |
|---|---|---|
| Owasp | Modsecurity | — |
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-4294-1 | modsecurity-apache security update |
EUVD |
EUVD-2025-23662 | ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. In versions 2.9.11 and below, an attacker can override the HTTP response’s Content-Type, which could lead to several issues depending on the HTTP scenario. For example, we have demonstrated the potential for XSS and arbitrary script source code disclosure in the latest version of mod_security2. This issue is fixed in version 2.9.12. |
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.352% probability within 30 days)
| Type | Values Removed | Values Added |
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| References |
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| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-79 | |
| CPEs | cpe:2.3:a:owasp:modsecurity:*:*:*:*:*:*:*:* | |
| Metrics |
cvssV3_1
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cvssV3_1
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| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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| References |
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| Metrics |
threat_severity
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cvssV3_1
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| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Owasp
Owasp modsecurity |
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| Vendors & Products |
Owasp
Owasp modsecurity |
| Type | Values Removed | Values Added |
|---|---|---|
| Description | ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. In versions 2.9.11 and below, an attacker can override the HTTP response’s Content-Type, which could lead to several issues depending on the HTTP scenario. For example, we have demonstrated the potential for XSS and arbitrary script source code disclosure in the latest version of mod_security2. This issue is fixed in version 2.9.12. | |
| Title | ModSecurity's Insufficient Return Value Handling can Lead to XSS and Source Code Disclosure | |
| Weaknesses | CWE-252 | |
| References |
| |
| Metrics |
cvssV4_0
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