Stored XSS via unescaped Glass Pages setting
Published Jul 12, 2021 · Updated Aug 3, 2024
Stored XSS in CodeBlab Glass WordPress Plugin 1.3.2 and earlier allows remote attackers to execute script via a forged settings request. The settings handler accepts a CSRF POST that writes an unsanitized myrtheGlassPages value, which the plugin later emits into a page without escaping. An administrator must be logged in and induced to submit the forged request; viewing an affected page then runs the stored script in a visitor's browser.
Summary
What happened
Stored XSS in CodeBlab Glass WordPress Plugin 1.3.2 and earlier allows remote attackers to execute script via a forged settings request. The settings handler accepts a CSRF POST that writes an unsanitized myrtheGlassPages value, which the plugin later emits into a page without escaping. An administrator must be logged in and induced to submit the forged request; viewing an affected page then runs the stored script in a visitor's browser.
The record
- CVE
- CVE-2021-24434
- Published
- Jul 12, 2021
- Updated
- Aug 3, 2024
- Vendor
- CodeBlab
- Product
- Glass WordPress Plugin
- Classifications
- CWE-352, CWE-79, T1203
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jul 12, 2021CVE publishedPublication date reported by the CVE source.
- Aug 3, 2024Record 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=1.3.2 <=1.3.2
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
- WPScan CSRF stored-XSS proof of conceptproof of concept · validated
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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