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WordPress plugin

Safe SVG <= 1.9.4 — Denial of Service

CVE-2019-18854Published · Updated

Action summary

Affected: ≤1.9.4Update to 1.9.5 or newer

All remediation steps
Watch plugin
Severity
Medium6.5
CVSS
6.5
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:N Integrity
None
A:H Availability
High
Weakness
CWE-400 Uncontrolled Resource Consumption
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Safe SVG safe-svg

  1. Affected≤ 1.9.4
  2. Patched in1.9.5

Update to 1.9.5 or newer.

You are affected if you run ≤ 1.9.4. Version 1.9.5 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Safe SVG.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 1.9.5, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Safe SVG to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Nguyen Thanh Nguyen.

A Denial Of Service vulnerability exists in the safe-svg (aka Safe SVG) plugin through 1.9.4 for WordPress, related to unlimited recursion for a '<use ... xlink:href="#identifier">' substring.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Safe SVG

All 8
More vulnerabilities in Safe SVG
SeverityVulnerabilityCVEPublished
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤2.5.0Update to 2.5.1
CVE-2026-94077
Medium4.3Authenticated (Contributor+) Insecure Direct Object Reference
≤2.5.0Update to 2.5.1
CVE-2026-94672
Medium5.4Authenticated (Author+) Stored Cross-Site Scripting via SVG
≤2.2.5Update to 2.2.6
CVE-2024-8378
High7.2Cross-Site Scripting Bypass
≤2.0.3Update to 2.1.0
CVE-2023-28426
High7.7Content-Type Bypass
<1.9.10Update to 1.9.10
CVE-2022-1091

Timeline

  1. CVE published

    Severity medium, CVSS 6.5

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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