GHSA-vvm3-rv48-j3g5
Zendframework Potential XSS or HTML Injection vector in Zend_Json
Zend_Json_Encoder was not taking into account the solidus character (/) during encoding, leading to incompatibilities with the JSON specification, and opening the potential for XSS or HTML injection attacks when returning HTML within a JSON string.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
What each source reports
GitHub Advisories Score used
Zendframework Potential XSS or HTML Injection vector in Zend_Json
Zend_Json_Encoder was not taking into account the solidus character (/) during encoding, leading to incompatibilities with the JSON specification, and opening the potential for XSS or HTML injection attacks when returning HTML within a JSON string.
- Record
GHSA-vvm3-rv48-j3g5- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Zendframework Potential XSS or HTML Injection vector in Zend_Json
Zend_Json_Encoder was not taking into account the solidus character (/) during encoding, leading to incompatibilities with the JSON specification, and opening the potential for XSS or HTML injection attacks when returning HTML within a JSON string.
- Record
GHSA-vvm3-rv48-j3g5- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
zendframework/zendframework1Packagist | 1.7.0 up to 1.7.9 | 1.7.9 |
zendframework/zendframework1Packagist | 1.8.0 up to 1.8.5 | 1.8.5 |
zendframework/zendframework1Packagist | 1.9.0 up to 1.9.7 | 1.9.7 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
GHSA-vvm3-rv48-j3g5 is a medium vulnerability (CVSS 6.1) in zendframework/zendframework1, published June 7, 2024. No source lists public exploit code. Fixed in zendframework/zendframework1 1.7.9.