CVE-2012-1657 json
Cross-site scripting (XSS) vulnerability in block_class.module in the Block Class module before 7.x-1.1 for Drupal allows remote authentica…
published 2012-09-18 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-1667
- cvss
- 2.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
Cross-site scripting (XSS) vulnerability in block_class.module in the Block Class module before 7.x-1.1 for Drupal allows remote authenticated users with certain permissions to inject arbitrary web script or HTML via the class name.
Patch / fix
- drupalcode.org/project/block_class.git@9a5205d commit
- securityfocus.com/bid/52341 patch
- drupal.org/node/1471090 patch
- drupal.org/node/1471808 advisory
Exploit prediction
1.61% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 2.1 | AV:N/AC:H/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
- drupalcode.org /project/block_class.git/commit/9a5205d
-
securityfocus.com
/bid/52341
vdb-entry, patch
-
drupal.org
/node/1471090
patch
-
drupal.org
/node/1471808
patch, vendor-advisory
-
secunia.com
/advisories/48298
third-party-advisory, vendor-advisory
-
osvdb.org
/79851
vdb-entry
-
openwall.com
/lists/oss-security/2012/04/07/1
mailing-list
-
exchange.xforce.ibmcloud.com
/vulnerabilities/73776
vdb-entry
Sources
- CVE List CVE-2012-1657
- NVD CVE-2012-1657
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