The Kadence Blocks – Gutenberg Blocks for Page Builder Features plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to and including 3.7.7. This is due to a mismatch between the object used for authorization and the object actually accessed in the Optimize_Rest_Controller's create_item(), get_item(), delete_item(), and bulk_delete_items() endpoints — authorization is checked via current_user_can('edit_post'/'delete_post', $post_id) against the user-supplied post_id, while the storage layer keys analysis records on sha256($post_path) from a separately supplied, attacker-controlled post_path parameter, with no enforcement that post_path corresponds to post_id. This makes it possible for authenticated attackers, with Contributor-level access and above, to read or delete optimizer analysis records belonging to posts owned by other users by submitting their own post_id (which passes the capability check) together with the victim post's path.
CVE-2026-12904
Score 4.3 from GitHub Security Advisory published 2026-07-01. a secondary CVSS source baseline 4.3; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.3
- EG Score
- 4.3(high)
- EG Risk
- 24(Track)EG Risk 24/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity43% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 21.4%
- KEV
- Not listed
Published
July 1, 2026
Last Modified
July 1, 2026
References (20)
- security@wordfencehttps://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.6.7/includes/resources/Optimizer/Path/Path.php#L60
- security@wordfencehttps://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.6.7/includes/resources/Optimizer/Rest/Optimize_Rest_Controller.php#L153
- security@wordfencehttps://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.6.7/includes/resources/Optimizer/Rest/Optimize_Rest_Controller.php#L197
- security@wordfencehttps://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.6.7/includes/resources/Optimizer/Rest/Optimize_Rest_Controller.php#L232
- security@wordfencehttps://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.6.7/includes/resources/Optimizer/Rest/Optimize_Rest_Controller.php#L339
- security@wordfencehttps://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.6.7/includes/resources/Optimizer/Rest/Optimize_Rest_Controller.php#L383
- security@wordfencehttps://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.6.7/includes/resources/Optimizer/Rest/Optimize_Rest_Controller.php#L420
- security@wordfencehttps://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.6.7/includes/resources/Optimizer/Rest/Optimize_Rest_Controller.php#L458
- security@wordfencehttps://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.6.7/includes/resources/Optimizer/Store/Table_Store.php#L96
- security@wordfencehttps://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.6/includes/resources/Optimizer/Path/Path.php#L60
- security@wordfencehttps://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.6/includes/resources/Optimizer/Rest/Optimize_Rest_Controller.php#L153
- security@wordfencehttps://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.6/includes/resources/Optimizer/Rest/Optimize_Rest_Controller.php#L197
- security@wordfencehttps://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.6/includes/resources/Optimizer/Rest/Optimize_Rest_Controller.php#L232
- security@wordfencehttps://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.6/includes/resources/Optimizer/Rest/Optimize_Rest_Controller.php#L339
- security@wordfencehttps://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.6/includes/resources/Optimizer/Rest/Optimize_Rest_Controller.php#L383
Vendor Advisories for CVE-2026-12904(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× 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.
- 2026-07-24 14:17 UTCEPSS rescore
- 2026-07-23 14:18 UTCEPSS rescore
- 2026-07-23 03:05 UTCEG score recompute
- 2026-07-22 14:08 UTCEPSS rescore
- 2026-07-21 15:24 UTCEPSS rescore
- 2026-07-20 17:08 UTCEPSS rescore
- 2026-07-19 14:30 UTCEPSS rescore
- 2026-07-19 02:28 UTCEPSS rescore
- 2026-07-18 10:04 UTCEPSS rescore
- 2026-07-16 19:43 UTCGHSA enrichment
- 2026-07-16 17:02 UTCEPSS rescore
- 2026-07-15 19:57 UTCGHSA enrichment
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 02:00 UTCEPSS rescore
- 2026-07-14 20:35 UTCGHSA enrichment
- 2026-07-13 22:30 UTCEPSS rescore
- 2026-07-13 21:09 UTCGHSA enrichment
- 2026-07-13 06:12 UTCEPSS rescore
- 2026-07-12 21:47 UTCGHSA enrichment
- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-11 22:25 UTCGHSA enrichment
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-10 23:03 UTCGHSA enrichment
- 2026-07-09 23:40 UTCGHSA enrichment
- 2026-07-09 19:10 UTCEPSS rescore
Show 20 moreShow fewer
- 2026-07-09 00:19 UTCGHSA enrichment
- 2026-07-08 15:15 UTCEPSS rescore
- 2026-07-08 15:15 UTCEPSS rescore
- 2026-07-08 00:57 UTCGHSA enrichment
- 2026-07-07 13:46 UTCEPSS rescore
- 2026-07-07 01:36 UTCGHSA enrichment
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-06 02:13 UTCGHSA enrichment
- 2026-07-05 02:52 UTCGHSA enrichment
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 03:29 UTCGHSA enrichment
- 2026-07-03 04:07 UTCGHSA enrichment
- 2026-07-02 04:44 UTCGHSA enrichment
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-07-01 05:22 UTCEG score recompute
- 2026-07-01 05:20 UTCNVD updatefirst tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-639
- CVE-2018-25270EG 9.8CRITICAL
- CVE-2017-20223EG 9.8CRITICAL
- CVE-2019-25487EG 9.8EPSS 94%CRITICAL
- CVE-2019-25235EG 9.8CRITICAL
- CVE-2020-16088EG 9.8CRITICAL
- CVE-2019-15310EG 9.8EPSS 94%CRITICAL
- CVE-2020-11658EG 9.8CRITICAL
- CVE-2019-15913EG 9.8CRITICAL
- CVE-2019-16340EG 9.8EPSS 97%CRITICAL
- CVE-2019-13360EG 9.8EPSS 98%CRITICAL
Frequently asked(5)
What is CVE-2026-12904?
When was CVE-2026-12904 disclosed?
Is CVE-2026-12904 actively exploited?
What is the CVSS score of CVE-2026-12904?
How do I remediate CVE-2026-12904?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-12904
Is Your Infrastructure Affected by CVE-2026-12904?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.