Cross-site scripting (XSS) vulnerability in the Markdown parser in Loomio before 1.8.0 allows remote attackers to inject arbitrary web script or HTML via non-sanitized Markdown content in a new thread or a thread comment
Published Jul 24, 2017
5.4
MEDIUMCVSS 3.0
EPSS 1.19%
Description
Cross-site scripting (XSS) vulnerability in the Markdown parser in Loomio before 1.8.0 allows remote attackers to inject arbitrary web script or HTML via non-sanitized Markdown content in a new thread or a thread comment.
Affected products
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
AV:N/AC:M/Au:S/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 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.19% (0.01189) | 66.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.19% (0.01189) | 63.78th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.23% (0.00227) | 43.46th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00076) | 34.82th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.08% (0.00076) | 31.27th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00104) | 41.01th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.06% (0.01061) | 52.82th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.06% (0.01061) | 28.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.11% (0.01110) | 29.52th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.11% (0.01110) | 0.00th | v1 |
References (3)
- https://github.com/loomio/loomio/commit/63973f71e337ead8ca7b7ae2a043b837032dc3fe x_refsource_CONFIRMPatchThird Party Advisory
- https://github.com/loomio/loomio/issues/4220 x_refsource_CONFIRMExploitThird Party Advisory
- https://github.com/loomio/loomio/releases/tag/1.8.0 x_refsource_CONFIRMThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/loomio/loomio/commit/63973f71e337ead8ca7b7ae2a043b837032dc3fe | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://github.com/loomio/loomio/issues/4220 | x_refsource_CONFIRMExploitThird Party Advisory | |
| https://github.com/loomio/loomio/releases/tag/1.8.0 | x_refsource_CONFIRMThird Party Advisory |
Change history (0)
No recorded changes yet.