CVE-2016-9450
Drupal Incorrect cache context on password reset page
The user password reset form in Drupal 8.x before 8.2.3 allows remote attackers to conduct cache poisoning attacks by leveraging failure to specify a correct cache context.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The user password reset form in Drupal 8.x before 8.2.3 allows remote attackers to conduct cache poisoning attacks by leveraging failure to specify a correct cache context.
- Record
CVE-2016-9450- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-345
- Updated
- 2026-11-02
CVE List No score
The user password reset form in Drupal 8.x before 8.2.3 allows remote attackers to conduct cache poisoning attacks by leveraging failure to specify a correct cache context.
- Record
CVE-2016-9450- Updated
- 2026-11-02
EUVDEUVD-2022-3331 No score
The user password reset form in Drupal 8.x before 8.2.3 allows remote attackers to conduct cache poisoning attacks by leveraging failure to specify a correct cache context.
- Record
EUVD-2022-3331- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-98w5-wqp9-w466
Drupal Incorrect cache context on password reset page
The user password reset form in Drupal 8.x before 8.2.3 allows remote attackers to conduct cache poisoning attacks by leveraging failure to specify a correct cache context.
- Record
GHSA-98w5-wqp9-w466- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-345
- Updated
- 2026-11-02
OSV
The user password reset form in Drupal 8.x before 8.2.3 allows remote attackers to conduct cache poisoning attacks by leveraging failure to specify a correct cache context.
- Record
CVE-2016-9450- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-98w5-wqp9-w466
Drupal Incorrect cache context on password reset page
The user password reset form in Drupal 8.x before 8.2.3 allows remote attackers to conduct cache poisoning attacks by leveraging failure to specify a correct cache context.
- Record
GHSA-98w5-wqp9-w466- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-345
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
drupal/corePackagist |
8.0 up to 8.2.3 | 8.2.3 |
drupal/drupalPackagist |
8.0 up to 8.2.3 | 8.2.3 |
drupal/corePackagist |
8.0 up to 8.2.3, plus listed versions 8.0.08.0.0-beta108.0.0-beta118.0.0-beta128.0.0-beta13 Show 39 moreShow less8.0.0-beta148.0.0-beta158.0.0-beta168.0.0-beta68.0.0-beta78.0.0-beta88.0.0-beta98.0.0-rc18.0.0-rc28.0.0-rc38.0.0-rc48.0.18.0.28.0.38.0.48.0.58.0.68.1.08.1.0-beta18.1.0-beta28.1.0-rc18.1.18.1.108.1.28.1.38.1.48.1.58.1.68.1.78.1.88.1.98.2.08.2.0-beta18.2.0-beta28.2.0-beta38.2.0-rc18.2.0-rc28.2.18.2.2 |
8.2.3 |
drupal/drupalPackagist |
8.0 up to 8.2.3, plus listed versions 8.0.08.0.0-alpha148.0.0-alpha158.0.0-beta18.0.0-beta10 Show 45 moreShow less8.0.0-beta118.0.0-beta128.0.0-beta138.0.0-beta148.0.0-beta158.0.0-beta168.0.0-beta28.0.0-beta38.0.0-beta48.0.0-beta58.0.0-beta68.0.0-beta78.0.0-beta98.0.0-rc18.0.0-rc28.0.0-rc38.0.0-rc48.0.18.0.28.0.38.0.48.0.58.0.68.1.08.1.0-beta18.1.0-beta28.1.0-rc18.1.18.1.108.1.28.1.38.1.48.1.58.1.68.1.78.1.88.1.98.2.08.2.0-beta18.2.0-beta28.2.0-beta38.2.0-rc18.2.0-rc28.2.18.2.2 |
8.2.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-9450 is a high vulnerability (CVSS 7.5) in Drupal, published November 25, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.00%, the 63rd percentile. Fixed in drupal/core 8.2.3.
References
securityfocus.com/bid/94367
drupal.org/SA-CORE-2016-005
nvd.nist.gov/vuln/detail/CVE-2016-9450
github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2016-9450.yaml