CVE-2011-4955: Multiple cross-site scripting (XSS) vulnerabilities in ui_stats.php in the bSuite plugin before 5 alpha 3 for

Q: How do I fix CVE-2011-4955?

bsuite: upgrade to newer than 4.0.7. Exact commands for each OS are on this page.

Q: Is CVE-2011-4955 being exploited?

CVE-2011-4955 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-2011-4955 affect?

CVE-2011-4955 affects bsuite. Severity is medium (CVSS 6.1). Multiple cross-site scripting (XSS) vulnerabilities in ui_stats.php in the bSuite plugin before 5 alpha 3 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) s or (2) p parameters to index.php.

Q: How urgent is CVE-2011-4955?

Priority 41/100. No elevated risk signals yet.

This month

MEDIUM 6.1UPGRADE

CVE-2011-4955 is a medium-severity flaw (CVSS 6.1) affecting bsuite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in ui_stats.php in the bSuite plugin before 5 alpha 3 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) s or (2) p parameters to index.php.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.8% (top 21%)
CISA exploited list	No
Weakness	CWE-79
Published	2017-12-20
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: bsuite project

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

Am I affected?

Timeline

2017-12-20 22:29 UTCPublished CVE record published
2026-06-16 23:35 UTCUpdated Record last modified

bsuite project bsuite UPGRADE

Affected: <= 4.0.7 · 5.0 a2

Fixed in: newer than 4.0.7

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 4.0.7 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bsuite

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-2011-4955?

bsuite: upgrade to newer than 4.0.7. Exact commands for each OS are on this page.

Is CVE-2011-4955 being exploited?

CVE-2011-4955 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-2011-4955 affect?

CVE-2011-4955 affects bsuite. Severity is medium (CVSS 6.1). Multiple cross-site scripting (XSS) vulnerabilities in ui_stats.php in the bSuite plugin before 5 alpha 3 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) s or (2) p parameters to index.php.

How urgent is CVE-2011-4955?

Priority 41/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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