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CVE-2012-1657

14
FAUCET Score

CVE-2012-1657 describes a Cross-Site Scripting (XSS) vulnerability in the Block Class module (versions prior to 7.x-1.1) for Drupal, affecting both the drupal and fourkitchens distributions. This flaw allows authenticated users with specific permissions to inject malicious web scripts or HTML by manipulating the class name. The vulnerability has a low CVSS score of 2.1, indicating a network-based attack with high access complexity and limited impact (partial integrity loss). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.x-1.0CPE matchmatch criteria
cpe:2.3:a:fourkitchens:block_class:5.x-1.0:*:*:*:*:*:*:*
5.x-1.0CPE matchmatch criteria
cpe:2.3:a:fourkitchens:block_class:5.x-1.0:rc:*:*:*:*:*:*
5.x-1.1CPE matchmatch criteria
cpe:2.3:a:fourkitchens:block_class:5.x-1.1:*:*:*:*:*:*:*
5.x-1.xCPE matchmatch criteria
cpe:2.3:a:fourkitchens:block_class:5.x-1.x:dev:*:*:*:*:*:*
6.x-1.0CPE matchmatch criteria
cpe:2.3:a:fourkitchens:block_class:6.x-1.0:*:*:*:*:*:*:*

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
1.61%
Probability of exploitation in next 30 days
EPSS Percentile
73.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0161 is in the 81st percentile among its peer group of 1,636 CVEs.

Social Chatter

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

drupalcode.org / project/block_class.git/commit/9a5205d
drupal.org / node/1471090
Patch
drupal.org / node/1471808
PatchVendor Advisory
secunia.com / advisories/48298
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/73776
openwall.com / lists/oss-security/2012/04/07/1
osvdb.org / 79851
securityfocus.com / bid/52341
Patch