What is CVE-2025-61539?

CVE-2025-61539 is a medium-severity vulnerability in Myupb Ultimate_php_board, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-10-16.

How severe is CVE-2025-61539?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2025-61539 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Myupb Ultimate_php_board

CVE-2025-61539

Cross site scripting (XSS) vulnerability in Ultimate PHP Board 2.2.7 via the u_name parameter in lostpassword.php.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (15.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Myupb Ultimate_php_board — versions 2.2.7
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

bugdotexe/bugdotexe

References

cve@mitre.org (Product)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2025-61539?: CVE-2025-61539 is a medium-severity vulnerability in Myupb Ultimate_php_board, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-10-16.
How severe is CVE-2025-61539?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2025-61539 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.