Zend_Filter_StripTags vulnerable to Cross-site Scripting when comments allowed
Zend_Filter_StripTags contained an optional setting to allow whitelisting HTML comments in filtered text. Microsoft Internet Explorer and several other browsers allow developers to create conditional functionality via HTML comments, including execution of script events and rendering of additional commented markup. By allowing whitelisting of HTML comments, a malicious user could potentially include XSS exploits within HTML comments that would then be rendered in the final output.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | zendframework/zendframework1 | >= 1.7.0, < 1.7.9, >= 1.8.0, < 1.8.5, >= 1.9.0, < 1.9.7 | 1.7.9, 1.8.5, 1.9.7 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Composer
- Package
zendframework/zendframework1- Disclosed
- 07.06.2024
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-4vf6-mq7w-3hp6 - CC BY 4.0
Vulnerability history: zendframework/zendframework1
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 34
- First → latest
- 05.2022 06.2024
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 8
- High 9
- Medium 17
Disclosures per year
- 2022: 13
- 2023: 0
- 2024: 21
- 2025: 0
- 2026: 0
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Zend_Filter_StripTags vulnerable to Cross-site Scripting when comments allowed this entry
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