rhukster dom-sanitizer up to 1.0.15 URL Validation src/DOMSanitizer.php isDangerousUrl cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k2.92

Summaryinfo

A vulnerability described as problematic has been identified in rhukster dom-sanitizer up to 1.0.15. The affected element is the function DOMSanitizer::isDangerousUrl of the file src/DOMSanitizer.php of the component URL Validation. Such manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2026-103686. It is possible to launch the attack remotely. Furthermore, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in rhukster dom-sanitizer up to 1.0.15. It has been rated as problematic. Affected by this issue is the function DOMSanitizer::isDangerousUrl of the file src/DOMSanitizer.php of the component URL Validation. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-103686. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The exploit is available at github.com. It is declared as proof-of-concept. By approaching the search of inurl:src/DOMSanitizer.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.0.16 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 4623b565d060bc02ca5a07d8c8241fe28e2edfda 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: 3.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
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: dom-sanitizer 1.0.16
Patch: 4623b565d060bc02ca5a07d8c8241fe28e2edfda

Timelineinfo

10/01/2026 Advisory disclosed
10/01/2026 +0 days VulDB entry created
10/01/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-mrpv-6x26-mf6c
Status: Confirmed

CVE: CVE-2026-103686 (🔒)
GCVE (CVE): GCVE-0-2026-103686
GCVE (VulDB): GCVE-100-412550
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/01/2026 11:36
Changes: 10/01/2026 11:36 (63)
Complete: 🔍
Submitter: 0xMo-Error
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #958312: rhukster dom-sanitizer <= 1.0.15 Improper Input Validation (by 0xMo-Error)

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