4.3

CVE-2011-2931: rubyonrails rails Cross-site Scripting

CVSS: 4.3v2.0MediumModified
AliasesDEBIAN-CVE-2011-2931GHSA-v5jg-558j-q67c
Published 29-08-2011Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2011-2931 is a medium (CVSS 4.3) Cross-site Scripting vulnerability in rubyonrails rails. EPSS estimates a 2.49% chance of exploitation in the next 30 days, higher than 84.5% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
2.49%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
DSA-2301-1

Timeline

  1. 29-08-2011
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Cross-site scripting (XSS) vulnerability in the strip_tags helper in actionpack/lib/action_controller/vendor/html-scanner/html/node.rb in Ruby on Rails before 2.3.13, 3.0.x before 3.0.10, and 3.1.x before 3.1.0.rc5 allows remote attackers to inject arbitrary web script or HTML via a tag with an invalid name.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.49%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

0.00 pp

From 2.49% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.49%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Rubyonrails2 products
  • rails2.0.0 | 2.0.0:rc1 | 2.0.0:rc2 | 2.0.1 | 2.0.2 | 2.0.4 | 2.1.0 | 2.1.1 | 2.1.2 | 2.2.0 | 2.2.1 | 2.2.2 | 2.3.2 | 2.3.3 | 2.3.4 | 2.3.9 | 2.3.10 | 2.3.11 | 2.3.12 | 3.0.0 | 3.0.0:beta | 3.0.0:beta2 | 3.0.0:beta3 | 3.0.0:beta4 | 3.0.0:rc | 3.0.0:rc2 | 3.0.1 | 3.0.1:pre | 3.0.2 | 3.0.2:pre | 3.0.3 | 3.0.4:rc1 | 3.0.5 | 3.0.5:rc1 | 3.0.6 | 3.0.6:rc1 | 3.0.6:rc2 | 3.0.7 | 3.0.7:rc1 | 3.0.7:rc2 | 3.0.8 | 3.0.8:rc1 | 3.0.8:rc2 | 3.0.8:rc3 | 3.0.8:rc4 | 3.0.9 | 3.0.9:rc1 | 3.0.9:rc2 | 3.0.9:rc3 | 3.0.9:rc4 | 3.0.9:rc5 | 3.0.10:rc1 | 3.1.0 | 3.1.0:beta1 | 3.1.0:rc1 | 3.1.0:rc2 | 3.1.0:rc3 | 3.1.0:rc4
  • ruby_on_rails3.0.4
Debian1 product
  • rails< 2.3.14
RubyGems1 product
  • actionpack≥ 2.0.0, < 2.3.13 | ≥ 3.0.0, < 3.0.10

3 vendors · 4 products

References

20 links
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