In the Kunena extension 5.0.2 through 5.0.4 for Joomla!, the forum message subject (aka topic subject) accepts JavaScript, leading to XSS
Published Mar 22, 2017
6.1
MEDIUMCVSS 3.0
EPSS 0.69%
Description
In the Kunena extension 5.0.2 through 5.0.4 for Joomla!, the forum message subject (aka topic subject) accepts JavaScript, leading to XSS. Six files are affected: crypsis/layouts/message/item/default.php, crypsis/layouts/message/item/top/default.php, crypsis/layouts/message/item/bottom/default.php, crypsisb3/layouts/message/item/default.php, crypsisb3/layouts/message/item/top/default.php, and crypsisb3/layouts/message/item/bottom/default.php. This is fixed in 5.0.5.
Affected products
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:N/UI:R/S:C/C:L/I:L/A:N
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.69% (0.00693) | 51.13th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.69% (0.00693) | 51.44th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.10% (0.00098) | 41.18th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.10% (0.00098) | 41.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00098) | 39.12th | 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 (2)
- http://www.fox.ra.it/technical-articles/kunena-vulnerability-2017-01.html x_refsource_MISCExploitThird Party Advisory
- http://www.securityfocus.com/bid/101677 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://www.fox.ra.it/technical-articles/kunena-vulnerability-2017-01.html | x_refsource_MISCExploitThird Party Advisory | |
| http://www.securityfocus.com/bid/101677 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.