TI-2026-41634 Aliases CVE-2026-57813 GHSA-f4rh-8hh9-hc4p

WordPress MailOptin plugin <= 1.2.77.3 - Privilege Escalation vulnerability

MEDIUM 49CWE-266Published 2026-07-13 · Updated 2026-07-13

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Privilege escalation
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-266.

Summary

Incorrect Privilege Assignment vulnerability in properfraction MailOptin mailoptin allows Privilege Escalation.This issue affects MailOptin: from n/a through <= 1.2.77.3.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00483 41st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
properfraction	MailOptin	up to 1.2.77.3	—	No fix listed	CNA

MailOptin Vendorproperfraction Affected up to 1.2.77.3 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-57813
2026-10-03 Alias added: GHSA-f4rh-8hh9-hc4p

References

Other 1

https://patchstack.com/database/Wordpress/Plugin/mailoptin/vulnerability/wordpress-mailoptin-plugin-1-2-77-3-privilege-escalation-vulnerability?_s_id=cve

TI-2021-13635 ProfilePress 3.0 - 3.1.3 - Unauthenticated Privilege Escalation CVSS 3.1CRITICAL 9.8
TI-2021-13638 ProfilePress 3.0 - 3.1.3 - Arbitrary File Upload in File Uploader Component CVSS 3.1CRITICAL 9.8
TI-2021-13637 ProfilePress 3.0 - 3.1.3 - Arbitrary File Upload in Image Uploader Component CVSS 3.1CRITICAL 9.8
TI-2021-13636 ProfilePress 3.0 - 3.1.3 - Authenticated Privilege Escalation CVSS 3.1CRITICAL 9.8
TI-2024-12168 ProfilePress < 4.15.20 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
TI-2024-12167 ProfilePress < 4.15.20 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8

See all 63 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences