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TI-2025-44025 Aliases CVE-2025-15708GHSA-q2pq-rwvm-qmrr

Stored cross-site scripting in Live Composer WordPress plugin

Priority LOW 16CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

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

Summary

Live Composer WordPress plugin versions before 2.1.23 are affected. The plugin does not sanitise or escape some custom post type slug settings before using them in front-end links, which is classified as CWE-79. A high privilege user such as an admin can store script that runs in other users' browsers even when unfiltered_html is disallowed, for example in a multisite setup. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

Description from the CNA

The Live Composer WordPress plugin before 2.1.23 does not sanitise and escape some of its custom post type slug settings before using them in front-end links, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in a multisite setup).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00164 5th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Live Composer (Unknown): 2.1.23

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
UnknownLive Composerbefore 2.1.232.1.23Patch availableCNA
  • Live Composer VendorUnknown Affected before 2.1.23 Fixed in 2.1.23 Patch available CNA

Remediation

Update Live Composer to version 2.1.23, which fixes the issue.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

  • Fix · CNA Live Composer (Unknown) Fixed in 2.1.23

Fixed in the same release

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

  • Release ·

    Live Composer 2.1.23

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-86422 Stored XSS in Live Composer plugin via post module paginationPriority LOW 31
    Show all 2 records →

Timeline

  1. 2026-11-07 Threatist record created from CVE-2025-15708
  2. 2026-11-07 Alias added: GHSA-q2pq-rwvm-qmrr
  3. 2026-11-07 CVSS score added · CISA ADP
  4. 2026-11-07 Weakness changed · CISA ADP
  5. 2026-11-07 CISA SSVC decision points changed

References

Exploit 1

Sources

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