How severe is CVE-2019-18855?

CVE-2019-18855 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-18855 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18855?

CVE-2019-18855 affects 10up Safe Svg. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-18855?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-18855 published?

CVE-2019-18855 was published on 2019-11-11 and last updated on 2026-06-17.

CVE-2019-18855

CVE-2019-18855 is a high-severity vulnerability in 10up Safe Svg with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: 10up Safe Svg
Published: 2019-11-11
Last modified: 2026-06-17

Description

A Denial Of Service vulnerability exists in the safe-svg (aka Safe SVG) plugin through 1.9.4 for WordPress, related to potentially unwanted elements or attributes.

Frequently asked questions

What is CVE-2019-18855?: A Denial Of Service vulnerability exists in the safe-svg (aka Safe SVG) plugin through 1.9.4 for WordPress, related to potentially unwanted elements or attributes.
How severe is CVE-2019-18855?: CVE-2019-18855 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-18855 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18855?: CVE-2019-18855 affects 10up Safe Svg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-18855?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-18855 published?: CVE-2019-18855 was published on 2019-11-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:10up:safe_svg:*:*:*:*:*:wordpress:*:*

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