What is CVE-2018-14849?

CVE-2018-14849 is a medium-severity vulnerability in Tiki Tikiwiki Cms\/groupware, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-08-13.

How severe is CVE-2018-14849?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Tiki Tikiwiki Cms\/groupware

CVE-2018-14849

Tiki before 18.2, 15.7 and 12.14 has XSS via link attributes, related to lib/core/WikiParser/OutputLink.php and lib/parser/parserlib.php.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-08-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.4% 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

Tiki Tikiwiki Cms\/groupware

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.openwall.com/lists/oss-security/2018/08/02/1 (mailing-list, Mailing List)
www.openwall.com/lists/oss-security/2018/08/02/2 (mailing-list, Mailing List)
sourceforge.net/p/tikiwiki/code/66809 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-14849?: CVE-2018-14849 is a medium-severity vulnerability in Tiki Tikiwiki Cms\/groupware, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-08-13.
How severe is CVE-2018-14849?: Medium severity. CVSS v3 base score is 5.4 out of 10.