XSS in Kunena
CVE-2017-5673
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.007 (51.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Kunena — versions 5.0.2, 5.0.3, 5.0.4
Weakness classification (CWE)
References
- www.securityfocus.com/bid/101677 (vdb-entry)
- www.fox.ra.it/technical-articles/kunena-vulnerability-2017-01.html (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-5673?
- CVE-2017-5673 is a medium-severity vulnerability in Kunena, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-03-22.
- How severe is CVE-2017-5673?
- Medium severity. CVSS v3 base score is 6.1 out of 10.