How severe is CVE-2018-19301?

CVE-2018-19301 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-19301 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19301?

CVE-2018-19301 affects Tp4a Teleport. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19301?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-19301 published?

CVE-2018-19301 was published on 2018-11-15 and last updated on 2026-06-17.

CVE-2018-19301

CVE-2018-19301 is a medium-severity vulnerability in Tp4a Teleport with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Tp4a Teleport
Published: 2018-11-15
Last modified: 2026-06-17

Description

tp4a TELEPORT 3.1.0 allows XSS via the login page because a crafted username is mishandled when an administrator later views the system log.

Frequently asked questions

What is CVE-2018-19301?: tp4a TELEPORT 3.1.0 allows XSS via the login page because a crafted username is mishandled when an administrator later views the system log.
How severe is CVE-2018-19301?: CVE-2018-19301 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-19301 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19301?: CVE-2018-19301 affects Tp4a Teleport. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19301?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-19301 published?: CVE-2018-19301 was published on 2018-11-15 and last updated on 2026-06-17.

References

https://github.com/S-LBK/teleport/blob/master/Attack%20step.docx

Affected products (1)

cpe:2.3:a:tp4a:teleport:3.1.0:*:*:*:*:*:*:*

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CVE-2018-19555 — High (CVSS 8.8): tp4a TELEPORT 3.1.0 has CSRF via user/do-reset-password to change any password, such as the administrator password.

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