Lucee up to 7.0.0.395 URL Path Parser cross site scripting

Summaryinfo

A vulnerability was found in Lucee up to 7.0.0.395. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the component URL Path Parser. Performing a manipulation results in cross site scripting. This vulnerability is reported as CVE-2026-29519. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in Lucee up to 7.0.0.395. This affects an unknown code block of the component URL Path Parser. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

Lucee CFML Server versions across the 5.3.x, 6.1.x, 6.2.x, and 7.0.x release lines contain a reflected cross-site scripting vulnerability in URL path parsing that allows unauthenticated remote attackers to execute arbitrary JavaScript in a victim's browser by embedding HTML or JavaScript payloads within the request path. Attackers can craft a malicious URL containing injected script content that is reflected in the server's response without proper output encoding, enabling session hijacking or unauthorized actions against the Lucee administrative interface when a victim visits the crafted link.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-29519 since 03/04/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

• Lucee

Version

• 7.0.0.395

CPE 2.3info

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CPE 2.2info

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