Stored XSS via unencoded blog post fields
Published Jun 20, 2022 · Updated Apr 15, 2025
Stored cross-site scripting in Elefant CMS 1.3.12-RC allows remote authenticated users to execute JavaScript through blog post fields. The Blog Post Handler echoes attacker-controlled title and tag values without output encoding into title, h1, and href contexts. Editor-level page-creation rights are required, and the payload executes when a user views or edits the saved post.
Summary
What happened
Stored cross-site scripting in Elefant CMS 1.3.12-RC allows remote authenticated users to execute JavaScript through blog post fields. The Blog Post Handler echoes attacker-controlled title and tag values without output encoding into title, h1, and href contexts. Editor-level page-creation rights are required, and the payload executes when a user views or edits the saved post.
The record
- CVE
- CVE-2017-20060
- Published
- Jun 20, 2022
- Updated
- Apr 15, 2025
- Vendor
- HASOMED GmbH
- Product
- Elefant
- Classifications
- CWE-79, CWE-80, T1059.007
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jun 20, 2022CVE publishedPublication date reported by the CVE source.
- Apr 15, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1.3.12-RC
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Elefant CMS blog-post stored XSS proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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