What is CVE-2026-82883?

CVE-2026-82883 is a high-severity vulnerability in Marcus Login With Ajax, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-09-02.

How severe is CVE-2026-82883?

High severity. CVSS v3 base score is 7.1 out of 10.

XSS in Marcus Login With Ajax

CVE-2026-82883

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Marcus Login With Ajax allows Reflected XSS. This issue affects Login With Ajax: from n/a through 4.5.1.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

Affected products

Marcus Login With Ajax

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-82883?: CVE-2026-82883 is a high-severity vulnerability in Marcus Login With Ajax, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-09-02.
How severe is CVE-2026-82883?: High severity. CVSS v3 base score is 7.1 out of 10.