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TI-2026-70443 Aliases CVE-2026-81153GHSA-hhc5-3q59-7gxq

Stored cross-site scripting in Robo Gallery via image overlay effect meta

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 Robo Gallery WordPress plugin before 5.2.6 does not sanitise and escape some of its image settings before outputting them in a gallery page. An attacker with the Author role or higher can store script that runs in the browser of any visitor who views the gallery, including administrators, even where unfiltered_html is disallowed such as on multisite. The references for this issue include a public exploit link.

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

Description from the CNA

The Robo Gallery WordPress plugin before 5.2.6 does not sanitise and escape some of its image settings before outputting them in a gallery page, allowing users with the Author role and above to perform Stored Cross-Site Scripting attacks that execute in the browser of any visitor viewing the gallery, including administrators, even where the unfiltered_html capability is disallowed such as on multisite.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00282 20th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Robo Gallery (Unknown): 5.2.6

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
UnknownRobo Gallerybefore 5.2.65.2.6Patch availableCNA
  • Robo Gallery VendorUnknown Affected before 5.2.6 Fixed in 5.2.6 Patch available CNA

Remediation

Update Robo Gallery to version 5.2.6 or later, which fixes the issue.

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

  • Fix · CNA Robo Gallery (Unknown) Fixed in 5.2.6

Fixed in the same release

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

  • Release ·

    Robo Gallery 5.2.6

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2026-70446 Stored XSS in Robo Gallery WordPress plugin gallery settingsPriority LOW 32
    • TI-2026-70445 Stored cross-site scripting in Robo Gallery WordPress pluginPriority LOW 32
    • TI-2026-70444 Stored cross-site scripting in Robo Gallery WordPress plugin via image alt textPriority LOW 32

Timeline

  1. 2026-10-11 Threatist record created from CVE-2026-81153
  2. 2026-10-11 Alias added: GHSA-hhc5-3q59-7gxq

References

Sources