How severe is CVE-2018-10193?

CVE-2018-10193 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-2018-10193 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-10193?

CVE-2018-10193 affects Logmein Lastpass. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-10193?

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-2018-10193 published?

CVE-2018-10193 was published on 2018-04-18 and last updated on 2026-06-17.

CVE-2018-10193

CVE-2018-10193 is a high-severity vulnerability in Logmein Lastpass 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. The underlying weakness is classified as CWE-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Logmein Lastpass
Published: 2018-04-18
Last modified: 2026-06-17

Description

LogMeIn LastPass through 4.15.0 allows remote attackers to cause a denial of service (browser hang) via an HTML document because the resource consumption of onloadwff.js grows with the number of INPUT elements.

Frequently asked questions

What is CVE-2018-10193?: LogMeIn LastPass through 4.15.0 allows remote attackers to cause a denial of service (browser hang) via an HTML document because the resource consumption of onloadwff.js grows with the number of INPUT elements.
How severe is CVE-2018-10193?: CVE-2018-10193 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-2018-10193 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-10193?: CVE-2018-10193 affects Logmein Lastpass. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-10193?: 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-2018-10193 published?: CVE-2018-10193 was published on 2018-04-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:logmein:lastpass:*:*:*:*:*:chrome:*:*

More vulnerabilities in Logmein Lastpass

CVE-2019-16371 — High (CVSS 8.2): LogMeIn LastPass before 4.33.0 allows attackers to construct a crafted web site that captures the credentials for a…
CVE-2013-5113 — Medium (CVSS 6.8): LastPass prior to 2.5.1 has an insecure PIN implementation.
CVE-2013-5114 — Medium (CVSS 6.1): LastPass prior to 2.5.1 allows secure wipe bypass.
CVE-2020-35208 — Medium (CVSS 5.7): An issue was discovered in the LogMein LastPass Password Manager (aka com.lastpass.ilastpass) app 4.8.11.2403 for iOS.…
CVE-2020-35207 — Medium (CVSS 5.7): An issue was discovered in the LogMein LastPass Password Manager (aka com.lastpass.ilastpass) app 4.8.11.2403 for iOS.…

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