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Stored XSS in Enable SVG, WebP, and ICO Upload via SVG sanitization bypass

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 Enable SVG, WebP, and ICO Upload WordPress plugin from 1.1.3 before 1.1.6 does not sanitize uploaded SVG files whose content is not detected as SVG, while still storing and serving them as SVG images. An attacker with the author role or higher can store malicious script that runs in other users' browsers (CWE-79). Exploitation requires user interaction, and the attacker needs author-level access.

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

Description from the CNA

The Enable SVG, WebP, and ICO Upload WordPress plugin before 1.1.6 does not sanitize uploaded SVG files whose content is not detected as SVG, while still storing and serving them as SVG images, which could allow users with the author role and above to perform Stored Cross-Site Scripting attacks.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0029 21st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Enable SVG, WebP, and ICO Upload (Unknown): 1.1.6

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
UnknownEnable SVG, WebP, and ICO Upload1.1.3 to before 1.1.61.1.6Patch availableCNA
  • Enable SVG, WebP, and ICO Upload VendorUnknown Affected 1.1.3 to before 1.1.6 Fixed in 1.1.6 Patch available CNA

Remediation

Update Enable SVG, WebP, and ICO Upload to version 1.1.6.

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

  • Fix · CNA Enable SVG, WebP, and ICO Upload (Unknown) Fixed in 1.1.6

Fixed in the same release

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

  • Release ·

    Enable SVG, WebP, and ICO Upload 1.1.6

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-82298 Stored XSS in Enable SVG, WebP, and ICO Upload via SMIL animationPriority LOW 32

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-110504
  2. 2026-10-29 Alias added: GHSA-898g-xh4c-5hhj
  3. 2026-10-29 CVSS score added · CISA ADP
  4. 2026-10-29 Weakness changed · CISA ADP
  5. 2026-10-29 CISA SSVC decision points changed

References

Sources