CRITICAL
Kunena before 5.0.4 does not restrict avatar file extensions to gif, jpeg, jpg, and png
Published Feb 24, 2020
9.8
CRITICALCVSS 3.1
EPSS 2.88%
Description
Kunena before 5.0.4 does not restrict avatar file extensions to gif, jpeg, jpg, and png. This can lead to XSS and remote code execution.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.88% 0.02884
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02884
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.88% (0.02884) | 86.38th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.88% (0.02884) | 85.00th | v5 (v2026.06.15) |
| Mar 30, 2025 | 3.39% (0.03391) | 86.27th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.20% (0.08202) | 86.75th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.39% (0.03391) | 86.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.57% (0.01572) | 87.78th | v3 (v2023.03.01) |
| Jun 20, 2024 | 1.57% (0.01572) | 87.33th | v3 (v2023.03.01) |
| Apr 27, 2023 | 1.57% (0.01572) | 85.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.31% (0.01310) | 83.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.63% (0.05634) | 90.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.63% (0.05634) | 89.29th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.63% (0.05634) | 76.84th | v2 (v2022.01.01) |
Weaknesses (1)
References (3)
- https://github.com/Kunena/Kunena-Forum/pull/5028 x_refsource_MISCPatchThird Party Advisory
- https://www.kunena.org/blog/179-kunena-5-0-4-released x_refsource_MISCRelease NotesVendor Advisory
- https://www.kunena.org/bugs/changelog x_refsource_MISCRelease NotesVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/Kunena/Kunena-Forum/pull/5028 | x_refsource_MISCPatchThird Party Advisory | |
| https://www.kunena.org/blog/179-kunena-5-0-4-released | x_refsource_MISCRelease NotesVendor Advisory | |
| https://www.kunena.org/bugs/changelog | x_refsource_MISCRelease NotesVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 24, 2020
Updated Aug 6, 2024
Reserved Feb 24, 2020
Link CVE-2016-11020
CISA Vulnrichment
Updated n/a