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CVE-2015-4377

11
FAUCET Score

CVE-2015-4377 describes a Cross-Site Scripting (XSS) vulnerability in the Petition module for Drupal, specifically versions 6.x-1.x before 6.x-1.3. This flaw allows authenticated users with "create petition" permission to inject malicious web script or HTML into unspecified administration pages. The vulnerability has a low CVSS score of 2.1, indicating a network-based attack with high access complexity and partial impact to integrity, but no impact on confidentiality or availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.x-1.0CPE matchmatch criteria
cpe:2.3:a:petition_project:petition:6.x-1.0:*:*:*:*:drupal:*:*
6.x-1.1CPE matchmatch criteria
cpe:2.3:a:petition_project:petition:6.x-1.1:*:*:*:*:drupal:*:*
6.x-1.2CPE matchmatch criteria
cpe:2.3:a:petition_project:petition:6.x-1.2:*:*:*:*:drupal:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

AV:N/AC:H/Au:S/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
SINGLE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.95%
Probability of exploitation in next 30 days
EPSS Percentile
57.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0095 is in the 41st percentile among its peer group of 1,636 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

drupal.org / node/2458683
Patch
drupal.org / node/2459311
PatchVendor Advisory
openwall.com / lists/oss-security/2015/04/25/6