TI-2026-65752 Aliases CVE-2026-103687 GHSA-xpxw-4f4p-f3h2

rhukster dom-sanitizer SVG Sanitization DOMSanitizer.php url incomplete blacklist

HIGH 70CWE-183Published 2026-10-01 · Updated 2026-10-01

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: Low · Low · Low
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A vulnerability has been found in rhukster dom-sanitizer up to 1.0.15. The affected element is the function url of the file src/DOMSanitizer.php of the component SVG Sanitization. Such manipulation leads to incomplete blacklist. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.0.16 is sufficient to fix this issue. The name of the patch is 139c46c3d7c9bc81542b7b5a58d5cde5d0e0195a. Upgrading the affected component is recommended.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00423 36th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix Fixed dom-sanitizer (rhukster): 1.0.16

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
rhukster	dom-sanitizer	1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.0.4; 1.0.5; 1.0.6; 1.0.7; 1.0.8; 1.0.9; 1.0.10; 1.0.11; 1.0.12; 1.0.13; 1.0.14; 1.0.15	1.0.16	Patch available	CNA

dom-sanitizer Vendorrhukster Affected 1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.0.4; 1.0.5; 1.0.6; 1.0.7; 1.0.8; 1.0.9; 1.0.10; 1.0.11; 1.0.12; 1.0.13; 1.0.14; 1.0.15 Fixed in 1.0.16 Patch available CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:rhukster:dom-sanitizer::::::::	—	—	rhukster

cpe:2.3:a:rhukster:dom-sanitizer:*:*:*:*:*:*:*:* Versions — — ·rhukster

Remediation

Fix · CNA dom-sanitizer (rhukster) Fixed in 1.0.16

Timeline

2026-10-02 Threatist record created from CVE-2026-103687
2026-10-03 Alias added: GHSA-xpxw-4f4p-f3h2

References

Exploit 1

https://github.com/rhukster/dom-sanitizer/security/advisories/GHSA-cjfg-j8jp-5xvc

Patch 2

Other 1

https://github.com/rhukster/dom-sanitizer/

TI-2026-65751 rhukster dom-sanitizer URL Validation DOMSanitizer.php isDangerousUrl cross site scripting CVSS 4.0MEDIUM 5.1
TI-2026-64648 Improper input validation in rhukster dom-sanitizer CVSS 3.1MEDIUM 4.7
TI-2026-29079 rhukster/dom-sanitizer: SVG <style> tag allows CSS injection via unfiltered url() and @import directives CVSS 3.1MEDIUM 4.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences