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TI-2026-53503 Aliases CVE-2026-76558GHSA-rrjc-9rg9-cm6c

WP Import Export Lite < 3.9.33 - Contributor+ Stored DOM XSS via Custom Field Names

Priority LOW 32CWE-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 · High · High
Fix status
Fixed

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

Summary

The WP Import Export Lite WordPress plugin before 3.9.33 does not escape custom field names retrieved from the database before inserting them into the DOM of one of its administration screens, allowing users with a role as low as contributor to perform Stored XSS attacks which will trigger in the browser of a high privileged user, such as an administrator, viewing that screen.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00431 37th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed WP Import Export Lite (Unknown): 3.9.33

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownWP Import Export Litebefore 3.9.333.9.33Patch availableCNA
  • WP Import Export Lite VendorUnknown Affected before 3.9.33 Fixed in 3.9.33 Patch available CNA

Remediation

  • Fix · CNA WP Import Export Lite (Unknown) Fixed in 3.9.33

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    WP Import Export Lite 3.9.33

    8 records Highest priority Priority MEDIUM 1 MEDIUM, 7 LOW

    Other records, highest priority first

    • TI-2026-53497 WP Import Export Lite < 3.9.33 - Authenticated Arbitrary File Upload via Remote Image ImportPriority MEDIUM 41
    • TI-2026-53496 WP Import Export Lite < 3.9.33 - Authenticated RCE via Export Field PHP FunctionPriority LOW 35
    • TI-2026-53500 WP Import Export Lite < 3.9.33 - Authenticated Sensitive File Disclosure via Existing File Import Path TraversalPriority LOW 31
    Show all 8 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-76558
  2. 2026-10-03 Alias added: GHSA-rrjc-9rg9-cm6c

References

Exploit 1

Sources

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