CVE-2015-6011: Web Reference Database (aka refbase) through 0.9.6 and bleeding-edge before 2015-01-08 allows remote attackers

Q: How do I fix CVE-2015-6011?

refbase: upgrade to newer than 0.9.6. Exact commands for each OS are on this page.

Q: Is CVE-2015-6011 being exploited?

CVE-2015-6011 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2015-6011 affect?

CVE-2015-6011 affects refbase. Severity is medium (CVSS 5.0). Web Reference Database (aka refbase) through 0.9.6 and bleeding-edge before 2015-01-08 allows remote attackers to conduct XML injection attacks via (1) the id parameter to unapi.php or (2) the stylesheet parameter to sru.php.

Q: How urgent is CVE-2015-6011?

Priority 35/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2015-6011 is a medium-severity flaw (CVSS 5.0) affecting refbase. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Web Reference Database (aka refbase) through 0.9.6 and bleeding-edge before 2015-01-08 allows remote attackers to conduct XML injection attacks via (1) the id parameter to unapi.php or (2) the stylesheet parameter to sru.php.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Published	2015-09-28
Last modified	2026-06-17

Publisher (CNA): CERT/CC · Vendor: refbase

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-09-28 02:59 UTCPublished CVE record published
2026-06-17 00:30 UTCUpdated Record last modified

refbase refbase UPGRADE

Affected: <= 0.9.6

Fixed in: newer than 0.9.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy refbase || rpm -q refbase || refbase --version

2. UPGRADE to newer than 0.9.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade refbase

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade refbase

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-6011?

refbase: upgrade to newer than 0.9.6. Exact commands for each OS are on this page.

Is CVE-2015-6011 being exploited?

CVE-2015-6011 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-6011 affect?

CVE-2015-6011 affects refbase. Severity is medium (CVSS 5.0). Web Reference Database (aka refbase) through 0.9.6 and bleeding-edge before 2015-01-08 allows remote attackers to conduct XML injection attacks via (1) the id parameter to unapi.php or (2) the stylesheet parameter to sru.php.

How urgent is CVE-2015-6011?

Priority 35/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2015-7383 MEDIUM 4.3 UPGRADE Multiple cross-site scripting (XSS) vulnerabilities in Web Reference Database (aka refbase) through 0.9.6 and
CVE-2015-7382 HIGH 7.5 UPGRADE SQL injection vulnerability in install.php in Web Reference Database (aka refbase) through 0.9.6 allows remote
CVE-2015-7381 HIGH 7.5 UPGRADE Multiple PHP remote file inclusion vulnerabilities in install.php in Web Reference Database (aka refbase) thro
CVE-2015-6012 MEDIUM 5.8 UPGRADE Multiple open redirect vulnerabilities in Web Reference Database (aka refbase) through 0.9.6 and bleeding-edge
CVE-2015-6010 MEDIUM 4.3 UPGRADE Multiple cross-site scripting (XSS) vulnerabilities in Web Reference Database (aka refbase) through 0.9.6 and

References

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