MashShare < 3.8.7 - Contributor+ Stored XSS
Published Jan 16, 2023
5.4
MEDIUMCVSS 3.1
EPSS 0.53%
Description
The MashShare WordPress plugin before 3.8.7 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.
Affected products
- Vendor n/a Product Social Media Share Buttons | MashShare Defaultunaffected
- Version 0StatusaffectedConstraints<3.8.7
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Social Media Share Buttons | MashShare | unaffected |
|
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Apr 4, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2023–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.53% (0.00534) | 43.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.53% (0.00534) | 40.57th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.14% (0.00144) | 31.25th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.34% (0.03343) | 78.65th | v4 (v2025.03.14) |
| Mar 24, 2025 | 0.11% (0.00113) | 26.84th | v4 (v2025.03.14) |
| Mar 23, 2025 | 1.29% (0.01292) | 75.59th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.10% (0.00103) | 25.91th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00058) | 26.59th | v3 (v2023.03.01) |
| May 22, 2024 | 0.06% (0.00056) | 22.94th | v3 (v2023.03.01) |
| Jan 23, 2024 | 0.06% (0.00056) | 20.93th | v3 (v2023.03.01) |
| Dec 17, 2023 | 0.05% (0.00051) | 17.59th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00063) | 25.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Jan 17, 2023 | 0.89% (0.00885) | 27.35th | v2 (v2022.01.01) |
No CWE recorded.
References (1)
- https://wpscan.com/vulnerability/96e34d3d-627f-42f2-bfdb-c9d47dbf396c exploitvdb-entrytechnical-descriptionThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://wpscan.com/vulnerability/96e34d3d-627f-42f2-bfdb-c9d47dbf396c | exploitvdb-entrytechnical-descriptionThird Party Advisory |
Change history (0)
No recorded changes yet.