CVE-2021-28977: XSS
First published: Wed Jun 23 2021(Updated: )
Cross Site Scripting vulnerability in GetSimpleCMS 3.3.16 in admin/upload.php by adding comments or jpg and other file header information to the content of xla, pages, and gzip files,
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Get-simple Getsimplecms | <=3.3.15 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-28977?
The severity of CVE-2021-28977 is medium with a CVSS score of 4.8.
How does CVE-2021-28977 affect GetSimpleCMS?
CVE-2021-28977 affects GetSimpleCMS versions up to and including 3.3.15.
How can an attacker exploit CVE-2021-28977?
An attacker can exploit CVE-2021-28977 by adding malicious comments or injecting file header information into xla, pages, and gzip files in GetSimpleCMS's admin/upload.php.
Is there a fix available for CVE-2021-28977?
Yes, upgrading to GetSimpleCMS 3.3.16 or later will fix CVE-2021-28977.
Where can I find more information about CVE-2021-28977?
More information about CVE-2021-28977 can be found at this link: [reference](https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1336).
- collector/nvd-index
- agent/author
- agent/weakness
- agent/severity
- agent/references
- agent/description
- agent/type
- agent/event
- agent/softwarecombine
- agent/first-publish-date
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- collector/mitre-cve
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- vendor/get-simple
- canonical/get-simple getsimplecms
- version/get-simple getsimplecms/3.3.15