CVE-2014-8747: Cross-site scripting (XSS) vulnerability in the Drupal Commons module 7.x-3.x before 7.x-3.9 for Drupal allows

Routine

MEDIUM 4.3DOWNGRADE

CVE-2014-8747 is a medium-severity flaw (CVSS 4.3) affecting commons. 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 Drupal Commons module 7.x-3.x before 7.x-3.9 for Drupal allows remote attackers to inject arbitrary web script or HTML via vectors related to content creation and activity stream messages.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-79
Published	2014-10-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: drupal

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

Am I affected?

Timeline

2014-10-13 18:55 UTCPublished CVE record published
2026-06-17 00:17 UTCUpdated Record last modified

drupal commons DOWNGRADE

Affected: 7.x-3.3 · 7.x-3.3 rc3 · 7.x-3.3 rc4 · 7.x-3.4 · 7.x-3.4 rc1 · 7.x-3.4 rc2 · 7.x-3.4 rc3 · 7.x-3.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.x-3.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 7.x-3.3 (Debian / Ubuntu)

apt-cache madison commons sudo apt install commons=<VERSION_BEFORE_7.x-3.3> sudo apt-mark hold commons

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

dnf --showduplicates list commons sudo dnf downgrade commons-<VERSION_BEFORE_7.x-3.3> sudo dnf versionlock add commons

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-2014-8747?

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

Is CVE-2014-8747 being exploited?

CVE-2014-8747 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-2014-8747 affect?

CVE-2014-8747 affects commons. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in the Drupal Commons module 7.x-3.x before 7.x-3.9 for Drupal allows remote attackers to inject arbitrary web script or HTML via vectors related to content creation and activity stream messages.

How urgent is CVE-2014-8747?

Priority 33/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

Related CVEs

CVE-2023-36471 CRITICAL 9.0 UPGRADE Xwiki commons is the common modules used by other XWiki top level projects
CVE-2023-29528 CRITICAL 9.0 UPGRADE XWiki Commons are technical libraries common to several other top level XWiki projects
CVE-2022-24898 MEDIUM 4.9 UPGRADE org.xwiki.commons:xwiki-commons-xml is a common module used by other XWiki top level projects
CVE-2013-1908 MEDIUM 5.0 UPGRADE UPGRADE The Commons Wikis module before 7.x-3.1 for Drupal, as used in the Commons module before 7.x-3.1, does not pro
CVE-2013-1907 MEDIUM 5.0 UPGRADE UPGRADE The Commons Group module before 7.x-3.1 for Drupal, as used in the Commons module before 7.x-3.1, does not pro

References

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