CVE-2013-5586: Cross-site scripting (XSS) vulnerability in wikka.php in WikkaWiki before 1.3.4-p1 allows remote attackers to

Q: How do I fix CVE-2013-5586?

wikkawiki: upgrade to newer than 1.3.4. Exact commands for each OS are on this page.

Q: Is CVE-2013-5586 being exploited?

CVE-2013-5586 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-2013-5586 affect?

CVE-2013-5586 affects wikkawiki. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in wikka.php in WikkaWiki before 1.3.4-p1 allows remote attackers to inject arbitrary web script or HTML via the wakka parameter to sql/.

Q: How urgent is CVE-2013-5586?

Priority 42/100. Public exploit reference

This month

MEDIUM 4.3UPGRADE

CVE-2013-5586 is a medium-severity flaw (CVSS 4.3) affecting wikkawiki. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in wikka.php in WikkaWiki before 1.3.4-p1 allows remote attackers to inject arbitrary web script or HTML via the wakka parameter to sql/.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-79
Published	2013-09-25
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: wikkawiki

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2013-09-25 14:55 UTCPublished CVE record published
2026-06-16 23:59 UTCUpdated Record last modified

wikkawiki wikkawiki UPGRADE

Affected: <= 1.3.4 · 1.0.0 · 1.0.1 · 1.0.2 · 1.0.3 · 1.0.4 · 1.0.5 · 1.0.6

Fixed in: newer than 1.3.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.3.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wikkawiki

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-2013-5586?

wikkawiki: upgrade to newer than 1.3.4. Exact commands for each OS are on this page.

Is CVE-2013-5586 being exploited?

CVE-2013-5586 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-2013-5586 affect?

CVE-2013-5586 affects wikkawiki. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in wikka.php in WikkaWiki before 1.3.4-p1 allows remote attackers to inject arbitrary web script or HTML via the wakka parameter to sql/.

How urgent is CVE-2013-5586?

Priority 42/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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