CVE-2019-18854 Denial of service in n/a
Attackers can cause a denial of service in the Safe SVG WordPress plugin by triggering unlimited recursion via crafted SVG use elements.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-18854?
CVE-2019-18854 is a high-severity denial of service vulnerability in n/a, published on 11 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-674
Which versions are affected by CVE-2019-18854?
It affects 1 product.
Products include 10up Safe Svg.
How do I fix CVE-2019-18854?
No fix has been published for CVE-2019-18854 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-18854 being exploited?
There is no known exploitation of CVE-2019-18854 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-x2g3-v8h5-xmcw.