getformwork up to 2.3.12 URI Sanitizer DomSanitizer.php sanitizeNodeAttribute formaction cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k1.89-

Summaryinfo

A vulnerability, which was classified as problematic, has been found in getformwork formwork up to 2.3.12. The affected element is the function DomSanitizer::sanitizeNodeAttribute of the file formwork/src/Sanitizer/DomSanitizer.php of the component URI Sanitizer. Performing a manipulation of the argument formaction results in cross site scripting. This vulnerability is known as CVE-2026-105950. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in getformwork formwork up to 2.3.12. It has been classified as problematic. This affects the function DomSanitizer::sanitizeNodeAttribute of the file formwork/src/Sanitizer/DomSanitizer.php of the component URI Sanitizer. The manipulation of the argument formaction with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-105950. The exploitability is told to be easy. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

By approaching the search of inurl:formwork/src/Sanitizer/DomSanitizer.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2.3.13 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 729701e59c5886685c5a1d477bdc3035e41f18b1 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Google Hack: 🔒
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: formwork 2.3.13
Patch: 729701e59c5886685c5a1d477bdc3035e41f18b1

Timelineinfo

10/06/2026 Advisory disclosed
10/06/2026 +0 days VulDB entry created
10/06/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-p78q-v3pr-p87j
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-105950 (🔒)
GCVE (CVE): GCVE-0-2026-105950
GCVE (VulDB): GCVE-100-413925

Entryinfo

Created: 10/06/2026 10:09
Changes: 10/06/2026 10:09 (61)
Complete: 🔍
Submitter: fernando viana
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #992820: Formwork Formwork CMS 2.3.12 Stored Cross-Site Scripting (CWE-79) (by fernando viana)

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