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PatchSiren cyber security CVE debrief

CVE-2026-57387 picu CVE debrief

A Stored XSS vulnerability was discovered in the picu plugin, affecting versions up to and including 3.5.1. This issue allows an attacker to inject malicious scripts into web pages, potentially leading to unauthorized actions or data theft. The vulnerability is classified as a Stored Cross-Site Scripting (XSS) issue, occurring when user input is not properly sanitized, allowing an attacker to store malicious scripts that can be executed by other users. Users of the picu plugin, particularly those with administrative access, should be aware of this vulnerability and take immediate action to protect their installations.

Vendor
picu
Product
Unknown
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-13
Original CVE updated
2026-07-13
Advisory published
2026-07-13
Advisory updated
2026-07-13

Who should care

Users of the picu plugin, particularly those with administrative access, should be aware of this vulnerability and take immediate action to protect their installations. This includes updating the plugin to the latest version available and implementing additional security measures, such as Web Application Firewall (WAF) rules to detect and prevent XSS attacks.

Technical summary

The CVE-2026-57387 vulnerability is classified as a Stored Cross-Site Scripting (XSS) issue. It occurs when user input is not properly sanitized, allowing an attacker to store malicious scripts that can be executed by other users. In this case, the vulnerability affects the picu plugin, versions up to and including 3.5.1.

Defensive priority

High

Recommended defensive actions

  • Update the picu plugin to the latest version available.
  • Implement additional security measures, such as Web Application Firewall (WAF) rules to detect and prevent XSS attacks.
  • Regularly monitor plugin and core software updates.
  • Use secure coding practices and input validation.

Evidence notes

The CVE record was published on 2026-07-13T10:16:31.923Z and has not been modified since then. The NVD entry is currently 7.1 HIGH. Limited information is available about the vulnerability, and further investigation is recommended. The vulnerability affects the picu plugin, versions up to and including 3.5.1. There is no information available about the existence of public exploits or the level of difficulty in exploiting this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-57387 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-57387

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

  • CVE-2026-57387 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-57387

    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.