easymon version 1.4 and earlier contains a Cross Site Scripting (XSS) vulnerability in Endpoint where monitoring is mounted that can result in Reflected XSS that affects Firefox
Published Dec 20, 2018
6.1
MEDIUMCVSS 3.1
EPSS 0.90%
Description
easymon version 1.4 and earlier contains a Cross Site Scripting (XSS) vulnerability in Endpoint where monitoring is mounted that can result in Reflected XSS that affects Firefox. Can be used to steal cookies, depending on the cookie settings.. This attack appear to be exploitable via The victim must click on a crafted URL that contains the XSS payload. This vulnerability appears to have been fixed in 1.4.1 and later.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.90% (0.00896) | 58.09th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.90% (0.00896) | 58.01th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.06% (0.00061) | 26.65th | v3 (v2023.03.01) |
| Apr 27, 2024 | 0.06% (0.00061) | 25.07th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.06% (0.00059) | 23.07th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.05% (0.00054) | 18.80th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00066) | 27.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (5)
- https://github.com/advisories/GHSA-c289-47qf-rvrr Advisory
- https://github.com/basecamp/easymon/issues/26 x_refsource_MISCPatchThird Party Advisory
- https://github.com/basecamp/easymon/pull/25 x_refsource_MISCPatchThird Party Advisory
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/easymon/CVE-2018-1000855.yml
- https://nvd.nist.gov/vuln/detail/CVE-2018-1000855
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-c289-47qf-rvrr | Advisory | |
| https://github.com/basecamp/easymon/issues/26 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/basecamp/easymon/pull/25 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/rubysec/ruby-advisory-db/blob/master/gems/easymon/CVE-2018-1000855.yml | ||
| https://nvd.nist.gov/vuln/detail/CVE-2018-1000855 |
Change history (0)
No recorded changes yet.