CVE-2026-119070

HIGH
MEDIUM Priority: 0.02 BB Relevance: 74/100
Published: 2026-11-07 Modified: 2026-11-07 First seen: 2026-11-07 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Changed
C: Low
I: Low
A: None

Description

The Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment' parameter in all versions up to, and including, 4.2.17 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploit requires the plugin to be in its normal connected state (cdn_key and cdn_secret configured) with the image replacer enabled, which is the default post-setup configuration; the stored payload bypasses all WordPress comment sanitization filters because it contains no HTML metacharacters at storage time — the characters are produced only by Optimole's own decoder at render time.

Bug Bounty Relevance

74 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.2 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

EPSS — Exploitation Probability

0.26%
Raw Score 0.002590
Percentile 17.7%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00259
2026-11-12
0.00259
2026-11-10
0.00259
2026-11-09
0.00259
2026-11-08
0.00259
2026-11-07
0.00259

Intelligence Sources

mitre ref →
nvd ref →