CVE-2018-15474: CSV Injection (aka Excel Macro Injection or Formula Injection) in /lib/plugins/usermanager/admin.php in DokuWi

Q: How do I fix CVE-2018-15474?

dokuwiki: upgrade to newer than 2018-04-22a. Exact commands for each OS are on this page.

Q: Is CVE-2018-15474 being exploited?

CVE-2018-15474 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-2018-15474 affect?

CVE-2018-15474 affects dokuwiki. Severity is critical (CVSS 9.6). CSV Injection (aka Excel Macro Injection or Formula Injection) in /lib/plugins/usermanager/admin.php in DokuWiki 2018-04-22a and earlier allows remote attackers to exfiltrate sensitive data and to execute arbitrary code via a value that is

Q: How urgent is CVE-2018-15474?

Priority 61/100. Critical severity; Public exploit reference

This week

CRITICAL 9.6UPGRADE

CVE-2018-15474 is a critical-severity flaw (CVSS 9.6) affecting dokuwiki. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CSV Injection (aka Excel Macro Injection or Formula Injection) in /lib/plugins/usermanager/admin.php in DokuWiki 2018-04-22a and earlier allows remote attackers to exfiltrate sensitive data and to execute arbitrary code via a value that is mishandled in a CSV export. NOTE: the vendor has stated "this is not a security problem in DokuWiki.

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.6 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	3.3% (top 11%)
CISA exploited list	No
Weakness	CWE-1236
Published	2018-09-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dokuwiki

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

Am I affected?

Timeline

2018-09-07 22:29 UTCPublished CVE record published
2026-06-17 01:42 UTCUpdated Record last modified

dokuwiki dokuwiki UPGRADE

Affected: <= 2018-04-22a

Fixed in: newer than 2018-04-22a

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2018-04-22a (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dokuwiki

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-2018-15474?

dokuwiki: upgrade to newer than 2018-04-22a. Exact commands for each OS are on this page.

Is CVE-2018-15474 being exploited?

CVE-2018-15474 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-2018-15474 affect?

CVE-2018-15474 affects dokuwiki. Severity is critical (CVSS 9.6). CSV Injection (aka Excel Macro Injection or Formula Injection) in /lib/plugins/usermanager/admin.php in DokuWiki 2018-04-22a and earlier allows remote attackers to exfiltrate sensitive data and to execute arbitrary code via a value that is

How urgent is CVE-2018-15474?

Priority 61/100. Critical severity; Public exploit reference

Software pages

PHP vulnerabilities

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References

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