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PatchSiren cyber security CVE debrief

CVE-2026-42653 iova.mihai CVE debrief

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the SliceWP WordPress plugin. This issue, tracked as CVE-2026-42653, allows an attacker to inject malicious scripts into web pages, potentially leading to unauthorized actions or data theft. The vulnerability has a CVSS score of 7.1 and is classified as HIGH severity.

Vendor
iova.mihai
Product
SliceWP
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-11
Original CVE updated
2026-06-12
Advisory published
2026-06-11
Advisory updated
2026-06-12

Who should care

Users of the SliceWP WordPress plugin, particularly those with versions up to 1.2.6, should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability is caused by improper neutralization of input during web page generation, allowing an attacker to store malicious scripts. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

Defensive priority

HIGH

Recommended defensive actions

  • Update the SliceWP plugin to a version that fixes the vulnerability.
  • Review and monitor user-generated content for potential malicious scripts.

Evidence notes

The vulnerability was reported by [email protected] and is documented in the CVE-2026-42653 record on CVE.org and NVD.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-42653 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-42653

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-42653 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-42653

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.