PatchSiren cyber security CVE debrief

CVE-2026-57783 merkulove CVE debrief

A Stored XSS vulnerability was found in the Speaker plugin. This issue affects Speaker plugin versions from n/a through <= 4.1.13. The vulnerability has a CVSS score of 6.5 and a severity of MEDIUM. The vulnerability exists due to improper neutralization of input during web page generation, allowing an attacker with low privileges to exploit this vulnerability. Users of affected versions should review the official advisory for mitigation strategies.

Vendor: merkulove
Product: Speaker
CVSS: MEDIUM 6.5
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 Speaker plugin versions from n/a through <= 4.1.13 should be aware of this vulnerability. This includes administrators and users who have installed the Speaker plugin and have not updated to a version that is not vulnerable.

Technical summary

The Speaker plugin is vulnerable to Stored XSS. The vulnerability exists due to improper neutralization of input during web page generation. An attacker with low privileges can exploit this vulnerability. This issue affects Speaker plugin versions from n/a through <= 4.1.13.

Defensive priority

MEDIUM

Recommended defensive actions

Update Speaker plugin to a version that is not vulnerable
Implement input validation and sanitization for user input
Monitor for suspicious activity on the affected system
Review compensating controls for exposed systems while remediation is scheduled and verified
Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-07-13T10:16:42.410Z and has not been modified since then. The NVD entry is currently 6.5 MEDIUM. This information is based on the NVD entry and the CVE record. The vulnerability affects Speaker plugin versions from n/a through <= 4.1.13. There may be additional details in the official CVE record or NVD entry that could provide further context.

Sources and references

Verified primary and authoritative sources

CVE-2026-57783 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-57783

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-57783 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-57783

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.