ConcreteCMS Cross-Site Scripting (XSS) via HTML Block Text Field
Impact
A vulnerability was found in ConcreteCMS up to 9.3.9. It has been classified as problematic. This affects the function Save of the component HTML Block Handler. The manipulation of the argument content leads to HTML injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source excerpt · OSVAffected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
| Affected range | Recorded fix |
|---|---|
| Earlier releases through 9.3.9 (inclusive)Ecosystem versions | Not recorded |
Version evidence: OSV · GHSA-xfqf-5rhg-5c73
View original version evidence (75 explicit versions)
Original source description
A vulnerability was found in ConcreteCMS up to 9.3.9. It has been classified as problematic. This affects the function Save of the component HTML Block Handler. The manipulation of the argument content leads to HTML injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.