CVE-2025-11276: Rebuild Comment/Guestbook cross site scripting

Severity: low (CVSS 3.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-05 · updated 2026-10-19
Weakness: CWE-79

Description

A security flaw has been discovered in Rebuild up to 4.1.3. Affected by this issue is some unknown functionality of the component Comment/Guestbook. Performing manipulation results in cross site scripting. It is possible to initiate the attack remotely. Upgrading to version 4.1.4 can resolve this issue. It is suggested to upgrade the affected component. According to the researcher the vendor has confirmed the flaw and fix in a private issue response.

Affected products

Rebuild: 4.1.0, 4.1.1, 4.1.2, 4.1.3

References

https://gitee.com/getrebuild/rebuild/releases/tag/4.1.4
https://vuldb.com/?ctiid.327010
https://vuldb.com/?id.327010
https://vuldb.com/?submit.658910

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