CVE-2018-17866
Multiple cross-site scripting (XSS) vulnerabilities in includes/core/um-actions-login.php in the "Ultimate Member - User Profile & Membership" plugin before 2.0.28 for WordPress allow remote attackers to inject arbitrary web script or HTML via the…
Does this matter?
Lower severity and a low EPSS score (1.65%). Track it; it rarely justifies an emergency change on its own.
Description
Multiple cross-site scripting (XSS) vulnerabilities in includes/core/um-actions-login.php in the "Ultimate Member - User Profile & Membership" plugin before 2.0.28 for WordPress allow remote attackers to inject arbitrary web script or HTML via the "Primary button Text" or "Second button text" field.
- CVSS 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 1.65% probability · 76th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- ultimatemember/ultimate member
- Source
- cve@mitre.org
EPSS 1.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://serhack.me/articles/ultimate-member-xss-security-issueExploit, Third Party Advisory
- https://wordpress.org/plugins/ultimate-member/#developersProduct, Release Notes, Third Party Advisory
- https://wpvulndb.com/vulnerabilities/9615
- https://serhack.me/articles/ultimate-member-xss-security-issueExploit, Third Party Advisory
- https://wordpress.org/plugins/ultimate-member/#developersProduct, Release Notes, Third Party Advisory
- https://wpvulndb.com/vulnerabilities/9615
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.