4.0
MEDIUM CVSS 2.0
CVE-2026-103686
rhukster dom-sanitizer URL Validation DOMSanitizer.php isDangerousUrl cross site scripting
Description

A flaw has been found in rhukster dom-sanitizer up to 1.0.15. Impacted is the function DOMSanitizer::isDangerousUrl of the file src/DOMSanitizer.php of the component URL Validation. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 1.0.16 is recommended to address this issue. Patch name: 4623b565d060bc02ca5a07d8c8241fe28e2edfda. It is suggested to upgrade the affected component.

INFO

Published Date :

Oct. 1, 2026, 2:17 p.m.

Last Modified :

Oct. 1, 2026, 2:34 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-103686 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Rhukster dom-sanitizer
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 LOW [email protected]
CVSS 4.0 LOW [email protected]
Solution
Upgrade rhukster dom-sanitizer to version 1.0.16 to fix a cross-site scripting vulnerability.
  • Upgrade rhukster dom-sanitizer to 1.0.16.
  • Apply patch 4623b565d060bc02ca5a07d8c8241fe28e2edfda.
  • Upgrade the affected component.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-103686 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-103686 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-103686 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Oct. 01, 2026

    Action Type Old Value New Value
    Added Description A flaw has been found in rhukster dom-sanitizer up to 1.0.15. Impacted is the function DOMSanitizer::isDangerousUrl of the file src/DOMSanitizer.php of the component URL Validation. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 1.0.16 is recommended to address this issue. Patch name: 4623b565d060bc02ca5a07d8c8241fe28e2edfda. It is suggested to upgrade the affected component.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
    Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:P/A:N)
    Added CWE CWE-79
    Added CWE CWE-94
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/103xxx/CVE-2026-103686.json">CVE-2026-103686</a>
    Added Reference https://github.com/rhukster/dom-sanitizer/
    Added Reference https://github.com/rhukster/dom-sanitizer/commit/4623b565d060bc02ca5a07d8c8241fe28e2edfda
    Added Reference https://github.com/rhukster/dom-sanitizer/releases/tag/1.0.16
    Added Reference https://github.com/rhukster/dom-sanitizer/security/advisories/GHSA-mrpv-6x26-mf6c
    Added Reference https://vuldb.com/cve/CVE-2026-103686
    Added Reference https://vuldb.com/submit/958312
    Added Reference https://vuldb.com/vuln/412550
    Added Reference https://vuldb.com/vuln/412550/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.