YMC Filter < 3.12.9 - Author+ Stored XSS via SVG Icon Upload

Summary

CVECVE-2026-16559
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-08 07:17:10 UTC
Updated2026-08-26 16:31:16 UTC
DescriptionThe YMC Filter WordPress plugin before 3.12.9 does not sanitize SVG files uploaded through one of its icon upload features and permits their upload by low-privileged users, allowing users with the Author role and above to upload a file containing JavaScript that executes in the site's origin when the file is viewed.

Risk And Classification

Primary CVSS: v3.1 6.8 MEDIUM from ADP

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.002290000 probability, percentile 0.134790000 (date 2026-08-26)

Problem Types: CWE-79 | CWE-79 Cross-Site Scripting (XSS) | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')


VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED6.8MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.8MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown YMC Filter affected 3.12.9 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/9b8d265a-542f-4e1b-966d-3fc3dbf7a800 [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Artus KG (en)

CNA: WPScan (en)

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