What is CVE-2018-19877?

login.php in Adiscon LogAnalyzer before 4.1.7 has XSS via the Login Button Referer field.

How severe is CVE-2018-19877?

CVE-2018-19877 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-2018-19877 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19877?

CVE-2018-19877 affects Adiscon Loganalyzer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19877?

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

When was CVE-2018-19877 published?

CVE-2018-19877 was published on 2018-12-05 and last updated on 2026-06-17.

CVE-2018-19877

CVE-2018-19877 is a medium-severity vulnerability in Adiscon Loganalyzer with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. 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: 19% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Adiscon Loganalyzer
Published: 2018-12-05
Last modified: 2026-06-17

Description

Frequently asked questions

What is CVE-2018-19877?: login.php in Adiscon LogAnalyzer before 4.1.7 has XSS via the Login Button Referer field.
How severe is CVE-2018-19877?: CVE-2018-19877 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-2018-19877 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19877?: CVE-2018-19877 affects Adiscon Loganalyzer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19877?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-19877 published?: CVE-2018-19877 was published on 2018-12-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:adiscon:loganalyzer:*:*:*:*:*:*:*:*

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