CVE-2019-18854

Name: CVE-2019-18854
Creator: NVD / NIST
Published: 2019-11-11T15:15:12.313+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.60%

Last modified Jun 17, 2026

CVE-2019-18854 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 2.60% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

2.60%

83.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-674

Affected Software

Vendor	Product	Versions
10up	Safe Svg	<= 1.9.4

References

https://fortiguard.com/zeroday/FG-VD-19-113Third Party Advisory
https://plugins.trac.wordpress.org/changeset/2185438Third Party Advisory
https://wordpress.org/plugins/safe-svg/#developersRelease Notes, Third Party Advisory
https://wpvulndb.com/vulnerabilities/9937Third Party Advisory
https://fortiguard.com/zeroday/FG-VD-19-113Third Party Advisory
https://plugins.trac.wordpress.org/changeset/2185438Third Party Advisory
https://wordpress.org/plugins/safe-svg/#developersRelease Notes, Third Party Advisory
https://wpvulndb.com/vulnerabilities/9937Third Party Advisory

Timeline

Published: Nov 11, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-18854?

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.

How severe is CVE-2019-18854?

CVE-2019-18854 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.60% probability of exploitation in the next 30 days.

How do I fix CVE-2019-18854?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-18854?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST