Is CVE-2026-54855 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-54855 being exploited in the wild.

How severe is CVE-2026-54855?

High severity, with a CVSS score of 7.1, published 30 October 2026.

Which products and versions are affected?

Cozmoslabs Profile Builder <=4.0.5.

Is there a fix for CVE-2026-54855?

Yes: fixed in 4.0.6. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-54855 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-54855?

Check whether you run Cozmoslabs Profile Builder at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-54855: Profile Builder unauthenticated cross-site scripting

Q: Is there a fix for CVE-2026-54855?

Yes: fixed in 4.0.6. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Q: How is CVE-2026-54855 attacked?

It is attacked over the network, in a software library.

Q: Am I affected by CVE-2026-54855?

Check whether you run Cozmoslabs Profile Builder at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-54855 · Severity: high · CVSS 7.1 · Published 2026-10-30

Profile Builder is a WordPress plugin for creating user profiles and registration forms on websites. An unauthenticated attacker can inject malicious scripts that execute in visitors' browsers, potentially stealing session data, passwords, or hijacking user accounts. User interaction (such as clicking a malicious link) is required to trigger the vulnerability.

Technologies: Cozmoslabs Profile Builder. Vendors: Cozmoslabs.

Quick answers

Is CVE-2026-54855 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-54855 being exploited in the wild.
How severe is CVE-2026-54855?: High severity, with a CVSS score of 7.1, published 30 October 2026.
Which products and versions are affected?: Cozmoslabs Profile Builder <=4.0.5.
Is there a fix for CVE-2026-54855?: Yes: fixed in 4.0.6. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-54855 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-54855?: Check whether you run Cozmoslabs Profile Builder at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Fixed in: 4.0.6

Technical details

Unauthenticated cross-site scripting (XSS) vulnerability in Profile Builder plugin versions 4.0.5 and earlier. The vulnerability allows attackers to inject malicious JavaScript via a network attack vector, requiring user interaction for successful exploitation. An attacker gains the ability to steal visitor credentials or perform actions on behalf of victims.

Affected products

Cozmoslabs Profile Builder <=4.0.5

Timeline

2026-10-30: disclosed
2026-10-30: patched

References

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