CVE-2013-4626: Cross-site scripting (XSS) vulnerability in the BackWPup plugin before 3.0.13 for WordPress allows remote atta

Q: How do I fix CVE-2013-4626?

backwpup plugin: upgrade to newer than 3.0.12. Exact commands for each OS are on this page.

Q: Is CVE-2013-4626 being exploited?

CVE-2013-4626 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-2013-4626 affect?

CVE-2013-4626 affects backwpup plugin. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in the BackWPup plugin before 3.0.13 for WordPress allows remote attackers to inject arbitrary web script or HTML via the tab parameter to wp-admin/admin.php.

Q: How urgent is CVE-2013-4626?

Priority 40/100. Public exploit reference

This month

MEDIUM 4.3UPGRADE

CVE-2013-4626 is a medium-severity flaw (CVSS 4.3) affecting backwpup plugin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in the BackWPup plugin before 3.0.13 for WordPress allows remote attackers to inject arbitrary web script or HTML via the tab parameter to wp-admin/admin.php.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	2.1% (top 19%)
CISA exploited list	No
Weakness	CWE-79
Published	2013-09-26
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: marketpress

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

Am I affected?

Timeline

2013-09-26 15:55 UTCPublished CVE record published
2026-06-16 23:57 UTCUpdated Record last modified

marketpress backwpup plugin UPGRADE

Affected: <= 3.0.12 · 3.0 · 3.0.1 · 3.0.2 · 3.0.3 · 3.0.4 · 3.0.5 · 3.0.6

Fixed in: newer than 3.0.12

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy backwpup-plugin || rpm -q backwpup-plugin || backwpup-plugin --version

2. UPGRADE to newer than 3.0.12 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade backwpup-plugin

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade backwpup-plugin

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-2013-4626?

backwpup plugin: upgrade to newer than 3.0.12. Exact commands for each OS are on this page.

Is CVE-2013-4626 being exploited?

CVE-2013-4626 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-2013-4626 affect?

CVE-2013-4626 affects backwpup plugin. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in the BackWPup plugin before 3.0.13 for WordPress allows remote attackers to inject arbitrary web script or HTML via the tab parameter to wp-admin/admin.php.

How urgent is CVE-2013-4626?

Priority 40/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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