CVE-2011-5301: Multiple cross-site scripting (XSS) vulnerabilities in PHPDug 2.0.0 allow remote attackers to inject arbitrary

Routine

MEDIUM 4.3DOWNGRADE

CVE-2011-5301 is a medium-severity flaw (CVSS 4.3) affecting phpdug. 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 PHPDug 2.0.0 allow remote attackers to inject arbitrary web script or HTML via (1) the story_url parameter to add_story.php, (2) the email parameter to editprofile.php, (3) the title parameter to adm/content_add.php, or (4) the username parameter to adm/admin_edit.php.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-79
Published	2015-01-01
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: kubelabs

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

Am I affected?

Timeline

2015-01-01 11:59 UTCPublished CVE record published
2026-06-16 23:36 UTCUpdated Record last modified

kubelabs phpdug DOWNGRADE

Affected: 2.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0.0 (Debian / Ubuntu)

apt-cache madison phpdug sudo apt install phpdug=<VERSION_BEFORE_2.0.0> sudo apt-mark hold phpdug

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list phpdug sudo dnf downgrade phpdug-<VERSION_BEFORE_2.0.0> sudo dnf versionlock add phpdug

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2011-5301?

phpdug: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2011-5301 being exploited?

CVE-2011-5301 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-2011-5301 affect?

CVE-2011-5301 affects phpdug. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in PHPDug 2.0.0 allow remote attackers to inject arbitrary web script or HTML via (1) the story_url parameter to add_story.php, (2) the email parameter to editprofile.php, (3) the title pa

How urgent is CVE-2011-5301?

Priority 35/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2011-5302 MEDIUM 6.8 DOWNGRADE Cross-site request forgery (CSRF) vulnerability in adm/admin_edit.php in PHPDug 2.0.0 allows remote attackers

References

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