PT-2025-13638 · Unknown · Concrete Cms

Published 2025-03-30 · Updated 2025-03-31 · CVE-2025-2966

Positive Technologies (AI Summary)

CVSS v2.0

4.0

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions ConcreteCMS versions up to 9.3.9

Description A vulnerability was found in the function Save of the component Content Block Handler, where the manipulation of the argument Source leads to cross-site scripting. The attack may be launched remotely.

Recommendations For versions up to 9.3.9, as a temporary workaround, consider disabling the Save function of the Content Block Handler until a patch is available. Restrict access to the Content Block Handler to minimize the risk of exploitation. Avoid using the Source argument in the affected component until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Code Injection

Weakness Enumeration

CWE-79

CWE-94

Related Identifiers

CVE-2025-2966

Affected Products

Concrete Cms

References · 11

• 🔥 https://github.com/yaowenxiao721/Poc/blob/main/Concretecms/Concretecms-poc4.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-2966 · Security Note
• https://twitter.com/WolfgangSesin/status/1906251707593490482 · Twitter Post
• https://vuldb.com/?submit.522416 · Note
• https://t.me/cvenotify/116945 · Telegram Post
• https://t.me/cvetracker/20286 · Telegram Post
• https://vuldb.com/?ctiid.302018 · Note
• https://vuldb.com/?id.302018 · Note
• https://twitter.com/CVEnew/status/1906494250738446348 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1906504405102338467 · Twitter Post
• https://t.me/cvedetector/21527 · Telegram Post