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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.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-13T10:16:42.410Z and has not been modified since then.