Stored cross-site scripting in Envira Gallery via gallery crop dimensions
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 user-supplied gallery display configuration values before storing and outputting them in an image tag attribute. Users with the Author role and above can inject arbitrary web scripts (CWE-79) that run when any visitor, including an administrator, views a page containing the affected gallery. The references include a link to an exploit.
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 or escape user-supplied gallery display configuration values before storing them and outputting them 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 containing the affected gallery.
Why it matters now
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Envira Gallery | before 1.16.1 | 1.16.1 | Patch available | CNA |
- 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 or later.
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-2026-69030 Stored cross-site scripting in Envira Gallery via gallery image IDPriority LOW 31
Timeline
- 2026-10-07 Threatist record created from CVE-2026-104653
- 2026-10-07 Alias added: GHSA-2475-cpcf-ghxx
- 2026-10-07 CVSS score added · CISA ADP
- 2026-10-07 Weakness changed · CISA ADP
- 2026-10-07 CISA SSVC decision points changed
References
Sources
- CVE-2026-104653 · CVE Program
- CVE-2026-104653 · NVD
- FIRST EPSS
- GHSA-2475-cpcf-ghxx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences