What is CVE-2018-1319?

CVE-2018-1319 is a medium-severity vulnerability in Apache Allura, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.1/10. Published 2018-03-15.

How severe is CVE-2018-1319?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Apache Allura

CVE-2018-1319

In Apache Allura prior to 1.8.1, attackers may craft URLs that cause HTTP response splitting. If a victim goes to a maliciously crafted URL, unwanted results may occur including XSS or service denial for the victim's browsing session.

Published 2018-03-15 · last modified 2026-06-17.

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: 0.022 (81.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000

Affected products

Apache Allura
Apache Software Foundation Allura — versions prior to 1.8.1

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

References

lists.apache.org/thread.html/22b74bc4002091157ec2bddf9fa3b7643ffaa77aa6cb85562f… (mailing-list)
www.securityfocus.com/bid/103434 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-1319?: CVE-2018-1319 is a medium-severity vulnerability in Apache Allura, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.1/10. Published 2018-03-15.
How severe is CVE-2018-1319?: Medium severity. CVSS v3 base score is 6.1 out of 10.