Read the docs
TI-2026-69030 Aliases CVE-2026-104652GHSA-8g3x-h6fx-23x5

Stored cross-site scripting in Envira Gallery via gallery image ID

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 · High · High
Fix status
Fixed

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

Summary

The Envira Gallery WordPress plugin before 1.16.1 does not sanitise or escape a gallery item identifier before outputting it in an image tag attribute, which is a cross-site scripting flaw (CWE-79). An attacker with the Author role or higher can inject web scripts that run when any visitor, including an administrator, views a page that embeds the gallery. The references include an exploit link.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

The Envira Gallery WordPress plugin before 1.16.1 does not sanitise and escape a gallery item identifier before outputting it in an image tag attribute, allowing users with the Author role and above to inject arbitrary web scripts that execute when any visitor, including an administrator, views a page embedding the gallery.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00229 13th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Envira Gallery (Unknown): 1.16.1

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
UnknownEnvira Gallerybefore 1.16.11.16.1Patch availableCNA
  • Envira Gallery VendorUnknown Affected before 1.16.1 Fixed in 1.16.1 Patch available CNA

Remediation

Update Envira Gallery to version 1.16.1, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA Envira Gallery (Unknown) Fixed in 1.16.1

Fixed in the same release

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

  • Release ·

    Envira Gallery 1.16.1

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-69031 Stored cross-site scripting in Envira Gallery via gallery crop dimensionsPriority LOW 31
    Show all 2 records →

Timeline

  1. 2026-10-07 Threatist record created from CVE-2026-104652
  2. 2026-10-07 Alias added: GHSA-8g3x-h6fx-23x5
  3. 2026-10-07 CVSS score added · CISA ADP
  4. 2026-10-07 Weakness changed · CISA ADP
  5. 2026-10-07 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