Cross-Site Scripting in LightCMS v1.3.4
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| Product: LightCMS | |
| CVE: CVE-2021-3355 | |
| Version: v1.3.4 | |
| Vulnerability: Stored Cross-Site Scripting | |
| Vulnerability Description: LightCMS v1.3.4 allowing an attacker to execute HTML or JavaScript code via "exclusive" parameter at `/admin/SensitiveWords` page. | |
| # Steps to Reproduce | |
| 1. Log in to the application with provided credentials. | |
| 2. Navigate to `https://<lightcms_server_ip>/admin/SensitiveWords/create` page. | |
| 3. Add the below-shared payload as the `exclusive` field value: | |
| > Payload - </span><img src=1 onerror=alert(1) /><span> | |
| 4. Visit page `https://<lightcms_server_ip>/admin/SensitiveWords`,observe that the XSS Payload provided in Step-3 is executed. | |
| # References | |
| packet storm: https://packetstormsecurity.com/files/161562/LightCMS-1.3.4-Cross-Site-Scripting.html | |
| exploit-db: https://www.exploit-db.com/exploits/49598 | |
| github issue: https://github.com/eddy8/LightCMS/issues/18 |
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