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PatchSiren cyber security CVE debrief

CVE-2026-0737 gn_themes CVE debrief

The WP Shortcodes Plugin - Shortcodes Ultimate plugin for WordPress is vulnerable to Stored Cross-Site Scripting. This issue affects all versions up to, and including, 7.4.7 due to insufficient input sanitization and output escaping in the 'src' attribute of the su_lightbox shortcode. This vulnerability allows authenticated attackers with contributor level access and above to inject arbitrary web scripts, potentially leading to malicious script execution when an injected page is accessed.

Vendor
gn_themes
Product
WP Shortcodes Plugin — Shortcodes Ultimate
CVSS
MEDIUM 6.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-04
Original CVE updated
2026-07-24
Advisory published
2026-04-04
Advisory updated
2026-07-24

Who should care

Users of the WP Shortcodes Plugin - Shortcodes Ultimate plugin for WordPress, particularly those with contributor level access and above, should be aware of this vulnerability. Operational security teams and platform administrators should review affected deployments, assess potential impact, and prioritize remediation efforts based on their specific environment and risk profile.

Technical summary

The WP Shortcodes Plugin - Shortcodes Ultimate plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 7.4.7. This is due to insufficient input sanitization and output escaping in the 'src' attribute of the su_lightbox shortcode. This makes it possible for authenticated attackers, with contributor level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Defensive priority

Medium priority due to the CVSS score of 6.4 and the potential for authenticated attackers to inject arbitrary web scripts.

Recommended defensive actions

  • Update the WP Shortcodes Plugin - Shortcodes Ultimate plugin to a version beyond 7.4.7.
  • Implement additional input sanitization and output escaping for the 'src' attribute of the su_lightbox shortcode.
  • Monitor for suspicious activity, particularly injections of arbitrary web scripts.
  • Restrict contributor level access and above to trusted users only.
  • 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.

Evidence notes

The CVE record was published on 2026-04-04T08:16:06.047Z and was last modified on 2026-07-24T22:10:00.140Z. The NVD entry is currently Deferred. Evidence is limited to public sources and may not reflect the full scope or impact of this vulnerability. Defenders should verify affected deployments and review official advisories for specific guidance.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-0737 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-0737

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

  • CVE-2026-0737 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-0737

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

Supplemental references

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.