The Powerkit – Supercharge your WordPress Site plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes in all versions up to, and including, 3.1.0 due to insufficient input sanitization and output escaping. 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.
CVE-2026-15649
Score 6.4 from GitHub Security Advisory published 2026-08-01. a secondary CVSS source baseline 6.4; 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
- 6.4
- EG Score
- 6.4(high)
- EG Risk
- 29(Track)EG Risk 29/100SSVC: 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 computedSeverity64% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 10%
- KEV
- Not listed
Published
August 1, 2026
Last Modified
August 12, 2026
References (6)
- security@wordfencehttps://plugins.trac.wordpress.org/browser/powerkit/tags/3.0.9/modules/basic-elements/public/class-powerkit-basic-elements-public.php#L83
- security@wordfencehttps://plugins.trac.wordpress.org/browser/powerkit/tags/3.0.9/modules/basic-elements/templates/progressbars.php#L109
- security@wordfencehttps://plugins.trac.wordpress.org/browser/powerkit/tags/3.1.0/modules/basic-elements/public/class-powerkit-basic-elements-public.php#L83
- security@wordfencehttps://plugins.trac.wordpress.org/browser/powerkit/tags/3.1.0/modules/basic-elements/templates/progressbars.php#L109
- security@wordfencehttps://plugins.trac.wordpress.org/changeset/3629599/powerkit
- security@wordfencehttps://www.wordfence.com/threat-intel/vulnerabilities/id/f86c6ada-112b-4b1f-b1ac-7dd4920953c8?source=cve
Vendor Advisories for CVE-2026-15649(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 20× in last 7d / 59× 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.
- 2026-08-20 22:55 UTCEPSS rescore
- 2026-08-20 21:53 UTCGHSA enrichment
- 2026-08-19 21:49 UTCEG score recompute
- 2026-08-19 21:49 UTCGHSA enrichment
- 2026-08-19 17:03 UTCEPSS rescore
- 2026-08-18 21:44 UTCEG score recompute
- 2026-08-18 21:44 UTCGHSA enrichment
- 2026-08-18 13:48 UTCEPSS rescore
- 2026-08-17 21:36 UTCEG score recompute
- 2026-08-17 21:36 UTCGHSA enrichment
- 2026-08-17 13:47 UTCEPSS rescore
- 2026-08-16 21:29 UTCEG score recompute
- 2026-08-16 21:29 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 02:14 UTCEPSS rescore
- 2026-08-15 21:25 UTCEG score recompute
- 2026-08-15 21:25 UTCGHSA enrichment
- 2026-08-15 01:30 UTCEPSS rescore
- 2026-08-14 21:21 UTCEG score recompute
- 2026-08-14 21:21 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-13 21:13 UTCGHSA enrichment
- 2026-08-12 21:09 UTCGHSA enrichment
- 2026-08-12 19:56 UTCEG score recompute
- 2026-08-12 19:56 UTCGHSA enrichment
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- 2026-08-12 13:50 UTCEPSS rescore
- 2026-08-11 19:52 UTCEG score recompute
- 2026-08-11 19:52 UTCGHSA enrichment
- 2026-08-11 13:42 UTCEPSS rescore
- 2026-08-11 00:00 UTCEPSS rescore
- 2026-08-10 19:48 UTCGHSA enrichment
- 2026-08-09 19:44 UTCEG score recompute
- 2026-08-09 19:44 UTCGHSA enrichment
- 2026-08-09 13:46 UTCEPSS rescore
- 2026-08-08 19:40 UTCGHSA enrichment
- 2026-08-07 19:35 UTCEG score recompute
- 2026-08-07 19:35 UTCGHSA enrichment
- 2026-08-06 19:31 UTCEG score recompute
- 2026-08-06 19:31 UTCGHSA enrichment
- 2026-08-06 13:46 UTCEPSS rescore
- 2026-08-05 19:27 UTCEG score recompute
- 2026-08-05 19:27 UTCGHSA enrichment
- 2026-08-05 19:17 UTCEPSS rescore
- 2026-08-04 19:23 UTCEG score recompute
- 2026-08-04 19:23 UTCGHSA enrichment
- 2026-08-04 15:10 UTCEPSS rescore
- 2026-08-04 10:38 UTCEPSS rescore
- 2026-08-03 19:19 UTCEG score recompute
- 2026-08-03 19:19 UTCGHSA enrichment
- 2026-08-03 18:23 UTCEG score recompute
- 2026-08-03 18:23 UTCGHSA enrichment
- 2026-08-03 10:35 UTCEPSS rescore
- 2026-08-03 09:38 UTCGHSA enrichment
- 2026-08-02 09:32 UTCEG score recompute
- 2026-08-02 09:32 UTCGHSA enrichment
- 2026-08-02 02:26 UTCEPSS rescore
- 2026-08-01 09:28 UTCEG score recompute
- 2026-08-01 08:28 UTCEG score recompute
- 2026-08-01 08:27 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-15649?
When was CVE-2026-15649 disclosed?
Is CVE-2026-15649 actively exploited?
What is the CVSS score of CVE-2026-15649?
How do I remediate CVE-2026-15649?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-15649
Is Your Infrastructure Affected by CVE-2026-15649?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.