CVE-2023-28820
Low
Description
Concrete CMS (previously concrete5) before 9.1 is vulnerable to stored XSS in RSS Displayer via the href attribute because the link element input was not sanitized.
SeverityLow
CVSS2.0
Exploit probability—
Product
Concretecms Concrete Cms
PublishedApr 28, 2023
First seenApr 28, 2023
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- concretecms concrete_cms9.1.0 or later
- concrete5/concrete59.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| concretecms concrete_cms | v < 9.1.0 | 9.1.0 |
| concrete5/concrete5Packagist | v < 9.1.0 | 9.1.0 |
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