PatchSiren cyber security CVE debrief
CVE-2026-15359 Templately CVE debrief
The Templately WordPress plugin before 3.7.1 has a vulnerability allowing unauthenticated attackers to overwrite the administrator's stored cloud service connection, potentially redirecting the site's cloud template library to attacker-controlled content. This could lead to site compromise via unauthorized cloud service connection overwrite. The vulnerability has a CVSS score of 6.5 and a severity of MEDIUM. Affected parties should verify cloud service connection settings, monitor for unauthorized changes, and update to version 3.7.1 or later. Security teams should track this vulnerability and ensure that all necessary actions are taken to mitigate its impact. The CVE record was published on 2026-08-07T06:16:55.460Z and has not been modified since then. WPScan provides additional source reference for further information. The debrief provides an overview of the vulnerability and its potential impact on affected systems. Evidence from WPScan indicates that defenders should verify the cloud service connection settings and monitor for unauthorized changes to the cloud template library. The Templately plugin's vulnerability allows unauthenticated attackers to overwrite administrator's stored cloud service connection with an account under their control.
- Vendor
- Templately
- Product
- Templately WordPress plugin
- CVSS
- MEDIUM 6.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-08-07
- Original CVE updated
- 2026-08-26
- Advisory published
- 2026-08-07
- Advisory updated
- 2026-08-26
Who should care
Administrators of WordPress sites using Templately plugin, cybersecurity teams monitoring for potential site compromises, and operators responsible for maintaining the site's cloud template library should be aware of this vulnerability and take necessary actions to protect their sites. They should verify the cloud service connection settings and monitor for unauthorized changes to the cloud template library. Additionally, they should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance, and plan vendor-supported updates or mitigations through normal change control where exposure is confirmed. Compensating controls for exposed systems should be reviewed while remediation is scheduled and verified. Relevant monitoring, detection, and logs for exposed assets should be checked for extra review. Exceptions, retest remediated assets, and close the item only after evidence is documented. Asset inventory and source tracking should also be considered to ensure comprehensive protection and response to this vulnerability. Rollback change windows should be planned in case of any issues during remediation. The vulnerability affects Templately plugin before version 3.7.1, and updating to version 3.7.1 or later is recommended. Security teams should track this vulnerability and ensure that all necessary actions are taken to mitigate its impact. This may involve coordinating with vendors, reviewing system logs, and implementing additional security controls as needed. By taking these steps, organizations can help protect their WordPress sites from potential exploitation of this vulnerability. The CVE record was published on 2026-08-07T06:16:55.460Z and has not been modified since then. The NVD and CVE Program records provide additional details about the vulnerability and its impact. WPScan also provides source reference for further information. The debrief provides an overview of the vulnerability and its potential impact on affected systems. The technical summary provides a detailed analysis of the vulnerability and its potential consequences. The evidence notes provide additional context and supporting information for the
Technical summary
The Templately WordPress plugin before 3.7.1 lacks authorization check on one of its request handlers, allowing unauthenticated attackers to overwrite administrator's stored cloud service connection, potentially redirecting site's cloud template library to attacker-controlled content. This could lead to site compromise via unauthorized cloud service connection overwrite. The vulnerability has a CVSS score of 6.5 and a severity of MEDIUM.
Defensive priority
Medium priority due to potential for site compromise via unauthorized cloud service connection overwrite.
Recommended defensive actions
- Update Templately WordPress plugin to version 3.7.1 or later
- Verify administrator's cloud service connection settings
- Monitor site for unauthorized changes to cloud template library
- 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
- Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
Evidence notes
The Templately WordPress plugin before 3.7.1 has a vulnerability allowing unauthenticated attackers to overwrite the administrator's stored cloud service connection. Evidence from WPScan indicates that this could potentially redirect the site's cloud template library to attacker-controlled content. Defenders should verify the cloud service connection settings and monitor for unauthorized changes to the cloud template library. The CVE record was published on 2026-08-07T06:16:55.460Z and has not been modified since then.
Sources and references
Verified primary and authoritative sources
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CVE-2026-15359 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-15359
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-15359 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-15359
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://wpscan.com/vulnerability/d4749a25-f3fa-4908-9532-3ae7c1c38a58/
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.