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CVE-2026-84829

Optimole < 4.2.12 - Unauthenticated Stored XSS via Srcset Descriptor Parameter

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-84829

Published

The Optimole WordPress plugin before 4.2.12 does not properly escape a user supplied value before using it to build an image tag attribute, allowing unauthenticated users to inject arbitrary attributes into pages served to every visitor, which leads to Stored Cross-Site Scripting.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-84829

Published

Optimole

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Unknown",
                    "product": "Optimole",
                    "versions": [
                        {
                            "status": "affected",
                            "versionType": "semver",
                            "version": "4.2.3",
                            "lessThan": "4.2.12"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON