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PatchSiren cyber security CVE debrief

CVE-2026-4765 RD Station Conversas CVE debrief

A Stored Cross-Site Scripting (XSS) vulnerability exists in the RD Station Conversas chat. The vulnerability is located in the 'name' parameter of the initialization process, where user input is not properly sanitized. This allows an attacker to execute arbitrary JavaScript code within the context of the application. The impact is not limited to self-exploitation, as the malicious script also executes in the browser of support agents who join the conversation.

Vendor
RD Station Conversas
Product
Tallos Chat
CVSS
MEDIUM 5.1
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

Organizations using RD Station Conversas chat should prioritize patching this vulnerability to prevent potential XSS attacks. Support agents who interact with conversations may also be affected.

Technical summary

The vulnerability resides in the 'name' parameter of the RD Station Conversas chat initialization process. Due to improper sanitization of user input, an attacker can inject malicious JavaScript code. When a support agent joins the conversation, the script executes in their browser, increasing the impact. The CVSS score for this vulnerability is 5.1, indicating a medium severity level. Organizations should focus on patching this vulnerability to prevent potential XSS attacks, especially since support agents who interact with conversations may also be affected. Evidence from the CVE record and NVD entry supports this assessment, highlighting the need for prompt mitigation.

Defensive priority

Medium priority should be given to patching this vulnerability, as it could allow attackers to execute arbitrary JavaScript code within the application context.

Recommended defensive actions

  • Apply the vendor's patch or recommended fix for the RD Station Conversas chat vulnerability.
  • Implement additional monitoring and logging to detect potential exploitation attempts.
  • Educate support agents about the potential risks and impacts of this vulnerability.
  • 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.
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented.
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record was published on 2026-07-13T11:16:27.450Z and has not been modified since then. The NVD entry is currently in the 'Received' status. Limited information is available about the affected products and versions.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-4765 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-4765

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

  • CVE-2026-4765 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-4765

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

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://www.incibe.es/en/incibe-cert/notices/aviso/stored-cross-site-scripting-xss-tallos-chat-rd-station-conversas

    [email protected]

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.