CVE-2026-2127

MEDIUMNVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory published 2026-02-18. NVD baseline CVSS 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.4Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

The SiteOrigin Widgets Bundle plugin for WordPress is vulnerable to unauthorized arbitrary shortcode execution in all versions up to, and including, 1.70.4. This is due to a missing capability check on the siteorigin_widget_preview_widget_action() function which is registered via the wp_ajax_so_widgets_preview AJAX action. The function only verifies a nonce (widgets_action) but does not check user capabilities. This makes it possible for authenticated attackers, with Subscriber-level access and above, to execute arbitrary shortcodes by invoking the SiteOrigin_Widget_Editor_Widget via the preview endpoint. The required nonce is exposed on the public frontend when the Post Carousel widget is present on a page, embedded in the data-ajax-url HTML attribute.

CVSS v3
5.4
EG Score
5.4(medium)
EPSS
20.4%
KEV
Not listed

Published

February 18, 2026

Last Modified

April 15, 2026

References (6)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 15× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 111 total refreshes for this CVE.

  1. 2026-07-21 15:24 UTCEPSS rescore
  2. 2026-07-21 15:24 UTCEPSS rescore
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  1. 2026-07-06 02:23 UTCEPSS rescore
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  36. 2026-06-12 03:01 UTCGHSA enrichment
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  40. 2026-06-10 21:10 UTCGHSA enrichment
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  42. 2026-06-09 19:10 UTCGHSA enrichment
  43. 2026-06-08 14:17 UTCEPSS rescore
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  45. 2026-06-07 17:34 UTCGHSA enrichment
  46. 2026-06-07 15:25 UTCEPSS rescore
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  48. 2026-06-07 15:25 UTCEPSS rescore
  49. 2026-06-06 13:47 UTCEPSS rescore
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  65. 2026-05-29 13:44 UTCEPSS rescore
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  73. 2026-05-26 13:44 UTCEPSS rescore
  74. 2026-05-26 13:44 UTCEPSS rescore
  75. 2026-05-26 07:18 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-2127?
CVE-2026-2127 is a medium vulnerability published on February 18, 2026. The SiteOrigin Widgets Bundle plugin for WordPress is vulnerable to unauthorized arbitrary shortcode execution in all versions up to, and including, 1.70.4. This is due to a missing capability check on the siteoriginwidgetpreviewwidgetaction() function which is registered via the…
When was CVE-2026-2127 disclosed?
CVE-2026-2127 was first published in the National Vulnerability Database on February 18, 2026, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-2127 actively exploited?
CVE-2026-2127 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-2127?
CVE-2026-2127 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-2127?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-2127, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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