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TI-2021-14940 Aliases CVE-2021-36841GHSA-gj7p-x2rc-x46v

YITH Maintenance Mode (WordPress plugin) <= 1.3.7 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability.

Priority LOW 31CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Authenticated Stored Cross-Site Scripting (XSS) vulnerability in YITH Maintenance Mode (WordPress plugin) versions <= 1.3.7, vulnerable parameter &yith_maintenance_newsletter_submit_label. Possible even when unfiltered HTML is disallowed by WordPress configuration.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0063 50th 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
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
YITHYITH Maintenance Mode (WordPress plugin)<= 1.3.7 – 1.3.7—No fix listedCNA
  • YITH Maintenance Mode (WordPress plugin) VendorYITH Affected <= 1.3.7 – 1.3.7 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:yithemes:yith_maintenance_mode:*:*:*:*:*:wordpress:*:*up to 1.3.7VulnerableYITH
  • cpe:2.3:a:yithemes:yith_maintenance_mode:*:*:*:*:*:wordpress:*:* Versions up to 1.3.7 Vulnerable ·YITH

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-36841
  2. 2026-10-03 Alias added: GHSA-gj7p-x2rc-x46v
  3. 2026-10-27 EPSS moved to the 50th–90th percentile

References

Advisory 2

  • TI-2021-14943 Cross-site scripting in YITH Maintenance Mode CVSS 3.1MEDIUM 6.9
  • TI-2015-07806 The yith-maintenance-mode plugin before 1.2.0 for WordPress has CSRF with resultant XSS… CVSS 3.1MEDIUM 6.5

Sources

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