TI-2026-69490 Aliases CVE-2026-103070 GHSA-p9x8-x759-mxxc

Stored cross-site scripting in ShortPixel Image Optimizer plugin

LOW 28CWE-79Published 2026-10-08 · Updated 2026-10-08

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

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

Summary

ShortPixel Image Optimizer, a WordPress plugin, is affected through 6.5.6. Improper neutralization of input during web page generation (CWE-79) lets stored script persist in the plugin's output. An attacker with low privileges can store malicious script that runs in the browser of a user who interacts with the affected page.

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

Description from the CNA

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ShortPixel ShortPixel Image Optimizer shortpixel-image-optimiser allows Stored XSS.This issue affects ShortPixel Image Optimizer: from n/a through 6.5.6.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00156 4th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

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

Vendor	Product	Affected versions	Fixed in	Status	Source
ShortPixel	ShortPixel Image Optimizer	up to 6.5.6	—	No fix listed	CNA

ShortPixel Image Optimizer VendorShortPixel Affected up to 6.5.6 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for ShortPixel Image Optimizer.

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

Timeline

2026-10-08 Threatist record created from CVE-2026-103070
2026-10-08 Alias added: GHSA-p9x8-x759-mxxc

References

Other 1

https://patchstack.com/database/wordpress/plugin/shortpixel-image-optimiser/vulnerability/wordpress-shortpixel-image-optimizer-plugin-6-5-6-cross-site-scripting-xss-vulnerability?_s_id=cve

TI-2023-04280 Enable Media Replace < 4.1.3 - Author+ PHP Object Injection CVSS 3.1HIGH 8.8
TI-2023-00241 Enable Media Replace < 4.0.2 - Author+ Arbitrary File Upload CVSS 3.1HIGH 8.8
TI-2023-00318 ShortPixel Adaptive Images < 3.6.3 - Reflected XSS CVSS 3.1MEDIUM 6.1
TI-2026-14215 ShortPixel Image Optimizer <= 6.5.5 - Authenticated (Author+) PHP Object Injection via Nested JSON Post Content CVSS 3.1HIGH 8.8
TI-2026-83296 PHP object injection in Enable Media Replace WordPress plugin CVSS 3.1HIGH 8.8
TI-2023-15794 WordPress ShortPixel Adaptive Images Plugin <= 3.7.1 is vulnerable to Cross Site Request Forgery (CSRF) CVSS 3.1HIGH 8.8

See all 32 →

Sources

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