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Description
An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability in Sling App CMS version 1.1.2 and prior may allow an authenticated remote attacker to perform a reflected cross-site scripting (XSS) attack in the site group feature. Upgrade to Apache Sling App CMS >= 1.1.4
Basic information
Type
reviewed
Severity
medium Advisory on GitHub
Open advisory ↗ Repository advisory
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Source code
Browse source ↗ Published (advisory)
2023-01-09 12:30:18 UTC
Updated
2023-01-29 05:03:13 UTC
GitHub reviewed
2023-01-09 21:58:35 UTC
NVD published
2023-01-09
EPSS Score
Score
Percentile
0.36%
57.82%
CVSS Scores
Base score
Version
Severity
Vector
5.4
3.1
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CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
CWEs
CWE id
Name
CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected packages (1)
Vulnerable version ranges and first patched releases as published by GitHub.
Ecosystem
Package
Vulnerable range
First patched
Vulnerable functions
maven
org.apache.sling:org.apache.sling.cms < 1.1.4
1.1.4
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cvelogic
Threat Intelligence