CVE-2016-9452

CVE-2016-9452 is a medium-severity vulnerability in Drupal with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

• Severity: Medium (CVSS 3.x base score 6.5)
• CVSS v2: 4.3
• EPSS exploit prediction: 2% (75th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-20
• Affected product: Drupal
• Published: 2016-11-25
• Last modified: 2026-06-17

Description

The transliterate mechanism in Drupal 8.x before 8.2.3 allows remote attackers to cause a denial of service via a crafted URL.

Frequently asked questions

What is CVE-2016-9452?

The transliterate mechanism in Drupal 8.x before 8.2.3 allows remote attackers to cause a denial of service via a crafted URL.

How severe is CVE-2016-9452?

CVE-2016-9452 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-9452 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9452?

CVE-2016-9452 primarily affects Drupal. In total, 61 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-9452?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-9452 published?

CVE-2016-9452 was published on 2016-11-25 and last updated on 2026-06-17.

References

• http://www.securityfocus.com/bid/94367
• https://www.drupal.org/SA-CORE-2016-005

Affected products (61)

• cpe:2.3:a:drupal:drupal:8.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:alpha10:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:alpha11:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:alpha12:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:alpha13:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:alpha14:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:alpha15:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:alpha2:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:alpha3:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:alpha4:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:alpha5:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:alpha6:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:alpha7:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:alpha8:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:alpha9:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:beta1:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:beta10:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:beta11:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:beta12:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:beta13:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:beta14:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:beta15:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:beta16:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:beta2:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:beta3:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:beta4:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:beta6:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:beta7:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:beta9:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:rc1:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:rc2:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:rc3:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.0:rc4:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:8.1.0:*:*:*:*:*:*:*

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