CVE-2015-3904: Multiple cross-site scripting (XSS) vulnerabilities in roomcloud.php in the Roomcloud plugin before 1.3 for Wo

Q: How do I fix CVE-2015-3904?

roomcloud: upgrade to newer than 1.1. Exact commands for each OS are on this page.

Q: Is CVE-2015-3904 being exploited?

CVE-2015-3904 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-2015-3904 affect?

CVE-2015-3904 affects roomcloud. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in roomcloud.php in the Roomcloud plugin before 1.3 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) pin, (2) start_day, (3) start_month, (4) start_y

Q: How urgent is CVE-2015-3904?

Priority 41/100. Public exploit reference

This month

MEDIUM 4.3UPGRADE

CVE-2015-3904 is a medium-severity flaw (CVSS 4.3) affecting roomcloud. 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 roomcloud.php in the Roomcloud plugin before 1.3 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) pin, (2) start_day, (3) start_month, (4) start_year, (5) end_day, (6) end_month, (7) end_year, (8) lang, (9) adults, or (10) children parameter.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-79
Published	2015-05-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: roomcloud

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

Am I affected?

Timeline

2015-05-29 14:59 UTCPublished CVE record published
2026-06-17 00:26 UTCUpdated Record last modified

roomcloud roomcloud UPGRADE

Affected: <= 1.1

Fixed in: newer than 1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade roomcloud

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-2015-3904?

roomcloud: upgrade to newer than 1.1. Exact commands for each OS are on this page.

Is CVE-2015-3904 being exploited?

CVE-2015-3904 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-2015-3904 affect?

CVE-2015-3904 affects roomcloud. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in roomcloud.php in the Roomcloud plugin before 1.3 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) pin, (2) start_day, (3) start_month, (4) start_y

How urgent is CVE-2015-3904?

Priority 41/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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