Unauthenticated Cross Site Scripting (XSS) in perfmatters <= 2.6.3 versions.
CVE-2026-56047
Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-26. a secondary CVSS source baseline 7.1; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.1
- EG Score
- 7.1(high)
- EPSS
- 7.7%
- KEV
- Not listed
Published
June 26, 2026
Last Modified
June 26, 2026
Advisory Details (1)
Auto-updated Jun 26, 2026Cross Site Scripting (XSS) in WordPress perfmatters Plugin - Patchstack
https://patchstack.com/database/wordpress/plugin/perfmatters/vulnerability/wordpress-perfmatters-plugin-2-6-3-reflected-cross-site-scripting-xss-vulnerability?_s_id=cveVendor Advisories for CVE-2026-56047(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 38× 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.
- 2026-07-07 02:42 UTCEG score recompute
- 2026-07-07 02:42 UTCGHSA enrichment
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 15:19 UTCEG score recompute
- 2026-07-06 15:19 UTCGHSA enrichment
- 2026-07-06 03:53 UTCEG score recompute
- 2026-07-06 03:53 UTCGHSA enrichment
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 16:30 UTCEG score recompute
- 2026-07-05 16:30 UTCGHSA enrichment
- 2026-07-05 05:01 UTCEG score recompute
- 2026-07-05 05:01 UTCGHSA enrichment
- 2026-07-04 17:37 UTCEG score recompute
- 2026-07-04 17:37 UTCGHSA enrichment
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 06:12 UTCEG score recompute
- 2026-07-04 06:12 UTCGHSA enrichment
- 2026-07-03 18:48 UTCEG score recompute
- 2026-07-03 18:48 UTCGHSA enrichment
- 2026-07-03 07:25 UTCEG score recompute
- 2026-07-03 07:25 UTCGHSA enrichment
- 2026-07-02 20:02 UTCEG score recompute
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- 2026-07-02 20:02 UTCGHSA enrichment
- 2026-07-02 08:38 UTCEG score recompute
- 2026-07-02 08:37 UTCGHSA enrichment
- 2026-07-01 21:11 UTCEG score recompute
- 2026-07-01 21:11 UTCGHSA enrichment
- 2026-07-01 15:07 UTCEPSS rescore
- 2026-07-01 09:47 UTCEG score recompute
- 2026-07-01 09:47 UTCGHSA enrichment
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-30 22:21 UTCEG score recompute
- 2026-06-30 22:21 UTCGHSA enrichment
- 2026-06-30 10:57 UTCEG score recompute
- 2026-06-30 10:57 UTCGHSA enrichment
- 2026-06-29 23:26 UTCEG score recompute
- 2026-06-29 23:26 UTCGHSA enrichment
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-29 12:04 UTCEG score recompute
- 2026-06-29 12:04 UTCGHSA enrichment
- 2026-06-29 00:40 UTCEG score recompute
- 2026-06-29 00:40 UTCGHSA enrichment
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 13:17 UTCEG score recompute
- 2026-06-28 13:16 UTCGHSA enrichment
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-28 01:53 UTCEG score recompute
- 2026-06-28 01:53 UTCGHSA enrichment
- 2026-06-27 14:30 UTCEG score recompute
- 2026-06-27 14:29 UTCGHSA enrichment
- 2026-06-27 03:05 UTCEG score recompute
- 2026-06-27 03:05 UTCGHSA enrichment
- 2026-06-26 15:42 UTCEG score recompute
- 2026-06-26 15:42 UTCGHSA enrichment
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-56047?
When was CVE-2026-56047 disclosed?
Is CVE-2026-56047 actively exploited?
What is the CVSS score of CVE-2026-56047?
How do I remediate CVE-2026-56047?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-56047
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