Common Weakness Enumeration

CWE-91

Allowed-with-Review

XML Injection (aka Blind XPath Injection)

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax, content, or commands of the XML before it is processed by an end system.

190 vulnerabilities reference this CWE, most recent first.

CVE-2026-40165 (GCVE-0-2026-40165)

Vulnerability from cvelistv5 – Published: 2026-05-20 23:35 – Updated: 2026-05-21 14:13
VLAI
Title
authentik: SAML NameID XML Comment Injection Enables Authentication Bypass via Identifier Truncation
Summary
authentik is an open-source identity provider. Versions 2025.12.4 and prior, and versions 2026.2.0-rc1 through 2026.2.2 were vulnerable to Authentication Bypass through SAML NameID XML Comment Injection. Due to how authentik extracted the NameID value from a SAML assertion, it was possible for an attacker to trick authentik into only seeing a part of the NameID value, potentially allowing an attacker to gain access to other accounts. This issue could be exploited on an authentik instance with a SAML Source, where the attacker had an account on the SAML Source and the ability to modify their NameID value (commonly username or E-mail), and XML Signing was enabled. The attacker could modify the SAML assertion given to authentik by injecting a comment within the NameID value, which effectively truncated the NameID value to the snippet before the comment, and gave the attacker access to any user account. This issue has been fixed in versions 2025.12.5 and 2026.2.3.
Severity
8.7 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-287 - Improper Authentication
  • CWE-91 - XML Injection (aka Blind XPath Injection)
  • CWE-436 - Interpretation Conflict
Assigner
References
Impacted products
Vendor Product Version
goauthentik authentik Affected: < 2025.12.5
Affected: >= 2026.2.0-rc1, < 2026.2.3
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CVE-2026-34601 (GCVE-0-2026-34601)

Vulnerability from cvelistv5 – Published: 2026-04-02 17:47 – Updated: 2026-07-15 01:04
VLAI
Title
xmldom: XML injection via unsafe CDATA serialization allows attacker-controlled markup insertion
Summary
xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. In xmldom versions 0.6.0 and prior and @xmldom/xmldom prior to versions 0.8.12 and 0.9.9, xmldom/xmldom allows attacker-controlled strings containing the CDATA terminator ]]> to be inserted into a CDATASection node. During serialization, XMLSerializer emitted the CDATA content verbatim without rejecting or safely splitting the terminator. As a result, data intended to remain text-only became active XML markup in the serialized output, enabling XML structure injection and downstream business-logic manipulation. This issue has been patched in xmldom version 0.6.0 and @xmldom/xmldom versions 0.8.12 and 0.9.9.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
References
Impacted products
Vendor Product Version
xmldom xmldom Affected: xmldom <= 0.6.0
Affected: @xmldom/xmldom < 0.8.12
Affected: @xmldom/xmldom >= 0.9.0, < 0.9.9
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Red Hat Migration Toolkit for Applications 8     cpe:/a:redhat:migration_toolkit_applications:8
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Red Hat Red Hat Build of Podman Desktop     cpe:/a:redhat:podman_desktop:1
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Red Hat Red Hat Developer Hub     cpe:/a:redhat:rhdh:1
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Red Hat Red Hat Fuse 7     cpe:/a:redhat:jboss_fuse:7
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Red Hat Red Hat OpenShift AI (RHOAI)     cpe:/a:redhat:openshift_ai
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Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
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Red Hat Red Hat OpenShift Dev Spaces     cpe:/a:redhat:openshift_devspaces:3
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Red Hat Self-service automation portal 2     cpe:/a:redhat:ansible_portal:2
 Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-32870 (GCVE-0-2026-32870)

Vulnerability from cvelistv5 – Published: 2026-04-24 00:19 – Updated: 2026-04-24 16:30
VLAI
Title
Kirby has XML injection in its XML creator toolkit
Summary
Kirby is an open-source content management system. Kirby's `Xml::value()` method has special handling for `<![CDATA[ ]]>` blocks. If the input value is already valid `CDATA`, it is not escaped a second time but allowed to pass through. However, prior to versions 4.9.0 and 5.4.0, it was possible to trick this check into allowing values that only contained a valid `CDATA` block but also contained other structured data outside of the `CDATA` block. This structured data would then also be allowed to pass through, circumventing the value protection. The `Xml::value()` method is used in `Xml::tag()`, `Xml::create()` and in the `Xml` data handler (e.g. `Data::encode($string, 'xml')`). Both the vulnerable methods and the data handler are not used in the Kirby core. However they may be used in site or plugin code, e.g. to create XML strings from input data. If those generated files are passed to another implementation that assigns specific meaning to the XML schema, manipulation of this system's behavior is possible. Kirby sites that don't use XML generation in site or plugin code are not affected. The problem has been patched in Kirby 4.9.0 and Kirby 5.4.0. In all of the mentioned releases, Kirby has added additional checks that only allow unchanged `CDATA` passthrough if the entire string is made up of valid `CDATA` blocks and no structured data. This protects all uses of the method against the described vulnerability.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
References
Impacted products
Vendor Product Version
getkirby kirby Affected: < 4.9.0
Affected: >= 5.0.0, < 5.4.0
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CVE-2026-28770 (GCVE-0-2026-28770)

Vulnerability from cvelistv5 – Published: 2026-03-04 07:06 – Updated: 2026-03-05 06:01
VLAI
Title
XML injection In /IDC_Logging/checkifdone.cgi Endpoint On IDC SFX Web Management Interface Version 101
Summary
Improper neutralization of special elements in the /IDC_Logging/checkifdone.cgi script in International Datacasting Corporation (IDC) SFX Series SuperFlex Satellite Receiver Web management Interface version 101 allows for XML Injection. The application reflects un-sanitized user input from the `file` parameter directly into a CDATA block, allowing an authenticated attacker to break out of the tags and inject arbitrary XML elements. An actor is confirmed to be able to turn this into an reflected XSS but further abuse such as XXE may be possible
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
References
Impacted products
Credits
Abdul Mhanni
Show details on NVD website
To clipboard 

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CVE-2026-27693 (GCVE-0-2026-27693)

Vulnerability from cvelistv5 – Published: 2026-05-05 12:17 – Updated: 2026-05-06 12:43
VLAI
Title
traccar allows XML injection in KML and GPX exports
Summary
Traccar is an open source GPS tracking system. In org.traccar:traccar versions starting at 6.11.1 before 6.13.0, the KML and GPX export functionality writes device names to XML output without proper escaping. An attacker with low privileges can create a device with a crafted name that injects XML content into exported files. If another user exports and opens the affected KML or GPX file, this can corrupt the file structure and spoof exported location data. This issue is fixed in version 6.13.0.
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
References
Impacted products
Vendor Product Version
traccar traccar Affected: >= 6.11.1, < 6.13.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-1554 (GCVE-0-2026-1554)

Vulnerability from cvelistv5 – Published: 2026-02-04 20:26 – Updated: 2026-02-05 15:15
VLAI
Title
Central Authentication System (CAS) Server - Less critical - XML Element Injection - SA-CONTRIB-2026-007
Summary
XML Injection (aka Blind XPath Injection) vulnerability in Drupal Central Authentication System (CAS) Server allows Privilege Escalation.This issue affects Central Authentication System (CAS) Server: from 0.0.0 before 2.0.3, from 2.1.0 before 2.1.2.
Severity
4.2 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
References
Impacted products
Vendor Product Version
Drupal Central Authentication System (CAS) Server Affected: 0.0.0 , < 2.0.3 (semver)
Affected: 2.1.0 , < 2.1.2 (semver)
Create a notification for this product.
Date Public
2026-01-28 17:29
Credits
Gaël Gosset (gaëlg) Ted Cooper (elc) Gaël Gosset (gaëlg) Jaap Jansma (jaapjansma) Greg Knaddison (greggles) Juraj Nemec (poker10)
Show details on NVD website
To clipboard 

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CVE-2025-66034 (GCVE-0-2025-66034)

Vulnerability from cvelistv5 – Published: 2025-11-29 01:07 – Updated: 2025-12-01 14:11
VLAI
Title
fontTools is Vulnerable to Arbitrary File Write and XML injection in fontTools.varLib
Summary
fontTools is a library for manipulating fonts, written in Python. In versions from 4.33.0 to before 4.60.2, the fonttools varLib (or python3 -m fontTools.varLib) script has an arbitrary file write vulnerability that leads to remote code execution when a malicious .designspace file is processed. The vulnerability affects the main() code path of fontTools.varLib, used by the fonttools varLib CLI and any code that invokes fontTools.varLib.main(). This issue has been patched in version 4.60.2.
Severity
6.3 (Medium)
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
References
Impacted products
Vendor Product Version
fonttools fonttools Affected: >= 4.33.0, < 4.60.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-54251 (GCVE-0-2025-54251)

Vulnerability from cvelistv5 – Published: 2025-09-09 16:36 – Updated: 2025-09-30 22:19
VLAI
Title
Adobe Experience Manager | XML Injection (aka Blind XPath Injection) (CWE-91)
Summary
Adobe Experience Manager versions 6.5.23.0 and earlier are affected by an XML Injection vulnerability that could result in a Security feature bypass. A low-privileged attacker could leverage this vulnerability to manipulate XML queries and gain limited unauthorized write access.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-91 - XML Injection (aka Blind XPath Injection) (CWE-91)
Assigner
References
Impacted products
Vendor Product Version
Adobe Adobe Experience Manager Affected: 0 , ≤ 6.5.23.0 (semver)
Create a notification for this product.
Date Public
2025-09-09 17:00
Show details on NVD website
To clipboard 

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CVE-2025-49538 (GCVE-0-2025-49538)

Vulnerability from cvelistv5 – Published: 2025-07-08 20:49 – Updated: 2025-07-09 16:06
VLAI
Title
ColdFusion | XML Injection (aka Blind XPath Injection) (CWE-91)
Summary
ColdFusion versions 2025.2, 2023.14, 2021.20 and earlier are affected by an XML Injection vulnerability that could lead to arbitrary file system read. An attacker can exploit this issue by injecting crafted XML or XPath queries to access unauthorized files or lead to denial of service. Exploitation of this issue does not require user interaction, and attack must have access to shared secrets.
Severity
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-91 - XML Injection (aka Blind XPath Injection) (CWE-91)
Assigner
References
Impacted products
Vendor Product Version
Adobe ColdFusion Affected: 0 , ≤ 2021.20 (semver)
Create a notification for this product.
Date Public
2025-07-08 17:00
Show details on NVD website
To clipboard 

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CVE-2025-24404 (GCVE-0-2025-24404)

Vulnerability from cvelistv5 – Published: 2025-09-09 09:30 – Updated: 2025-11-04 21:09
VLAI
Title
Apache HertzBeat (incubating): RCE by parse http sitemap xml response
Summary
XML Injection RCE by parse http sitemap xml response vulnerability in Apache HertzBeat. The attacker needs to have an authenticated account with access, and add monitor parsed by xml, returned special content can trigger the XML parsing vulnerability. This issue affects Apache HertzBeat (incubating): before 1.7.0. Users are recommended to upgrade to version 1.7.0, which fixes the issue.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
References
Impacted products
Credits
unam4 springkill Zoiltin
Show details on NVD website
To clipboard 

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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.
CAPEC-250: XML Injection

An attacker utilizes crafted XML user-controllable input to probe, attack, and inject data into the XML database, using techniques similar to SQL injection. The user-controllable input can allow for unauthorized viewing of data, bypassing authentication or the front-end application for direct XML database access, and possibly altering database information.

CAPEC-83: XPath Injection

An attacker can craft special user-controllable input consisting of XPath expressions to inject the XML database and bypass authentication or glean information that they normally would not be able to. XPath Injection enables an attacker to talk directly to the XML database, thus bypassing the application completely. XPath Injection results from the failure of an application to properly sanitize input used as part of dynamic XPath expressions used to query an XML database.

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