What is CVE-2023-34408?

CVE-2023-34408 is a medium-severity vulnerability in Dokuwiki, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-06-05.

How severe is CVE-2023-34408?

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

XSS in Dokuwiki

CVE-2023-34408

DokuWiki before 2023-04-04a allows XSS via RSS titles.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-06-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.8% 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

Dokuwiki

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/dokuwiki/dokuwiki/pull/3967 (Patch)
www.github.com/splitbrain/dokuwiki/commit/53df38b0e4465894a67a5890f74a6f5f82e82… (Patch)
huntr.dev/bounties/c6119106-1a5c-464c-94dd-ee7c5d0bece0/ (Exploit, Third Party Advisory)
github.com/dokuwiki/dokuwiki/compare/release-2023-04-04...release-2023-04-04a (Patch)

Frequently asked questions

What is CVE-2023-34408?: CVE-2023-34408 is a medium-severity vulnerability in Dokuwiki, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-06-05.
How severe is CVE-2023-34408?: Medium severity. CVSS v3 base score is 5.4 out of 10.