5.4Medium

CVE-2026-53742Simple Link Directory through 9.0.4 Stored XSS via Embed Shortcode Attributes

quantumcloud Simple Link Directory Published: 2026-06-10 23:39 (5 months ago)

Description

Simple Link Directory through 9.0.4 echoes embed shortcode attributes into HTML data attributes without escaping in the embedder template. Attackers with contributor access can craft a shortcode attribute that injects an event handler executing in a viewer's browser.

Weakness (CWE): CWE-79

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
quantumcloud	Simple Link Directory	≤ 9.0.4

References and patches

WordPress Plugin Repository product
VulnCheck Advisory: Simple Link Directory through 9.0.4 Stored XSS via Embed Shortcode Attributes third-party-advisory

CVSS score

5.4Medium

Source: VulnCheck · CVSS 3.1

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: Required
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: None

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

All scores (4)

cna	CVSS 4.0	5.1Medium
cna	CVSS 3.1	5.4Medium
disclosure@vulncheck.com	CVSS 4.0	5.1Medium
disclosure@vulncheck.com	CVSS 3.1	5.4Medium

EPSS (chance of exploitation in 30 days)

0.14%

higher than 3% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: partial

Timeline

ID reserved2026-06-10
Published2026-06-10 23:39
Reached IP-DB2026-10-24 23:40
Last updated2026-07-23 12:10

Assigned by (CNA): VulnCheck
NVD status: Deferred

View at source: CVE.org · NVD

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