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.

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)

EPSS: 0.007 (49.2th percentile) — read the EPSS interpretation.

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.

Affected products

Kunena — versions 5.0.2, 5.0.3, 5.0.4
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (vdb-entry, x_refsource_BID)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

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.