FlatPress contains a stored cross-site scripting vulnerability in comment and contact forms where name, URL, and email fields are rendered without proper output encoding in Smarty templates. Attackers can inject arbitrary HTML and JavaScript through these fields to execute malicious scripts in browsers of viewers including administrators, or bypass URL scheme validation to inject javascript: or data: URIs.
CVE-2026-56785
Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. a secondary CVSS source baseline 8.2; 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
- 8.2
- EG Score
- 8.2(high)
- EPSS
- 15.4%
- KEV
- Not listed
Published
June 23, 2026
Last Modified
June 25, 2026
Advisory Details (3)
Auto-updated Jun 24, 2026FlatPress - Stored Cross-Site Scripting via Unescaped Comment and Contact Form Fields | Advisories | VulnCheck
https://www.vulncheck.com/advisories/flatpress-stored-cross-site-scripting-via-unescaped-comment-and-contact-form-fieldscommit 10be83cbaac5 (flatpressblog/flatpress)
Fix landed in flatpressblog/flatpress commit 10be83cbaac5 — awaiting tagged release
https://github.com/flatpressblog/flatpress/commit/10be83cbaac5ce0e51250b9d57de7f257b8f34f8Vendor Advisories for CVE-2026-56785(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 36× in last 7d / 69× 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 06:09 UTCEG score recompute
- 2026-07-07 06:08 UTCGHSA enrichment
- 2026-07-06 17:25 UTCEG score recompute
- 2026-07-06 17:24 UTCGHSA enrichment
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 04:37 UTCEG score recompute
- 2026-07-06 04:37 UTCGHSA enrichment
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 15:48 UTCEG score recompute
- 2026-07-05 15:48 UTCGHSA enrichment
- 2026-07-05 03:06 UTCEG score recompute
- 2026-07-05 03:06 UTCGHSA enrichment
- 2026-07-05 02:31 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 14:23 UTCEG score recompute
- 2026-07-04 14:22 UTCGHSA enrichment
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 01:41 UTCEG score recompute
- 2026-07-04 01:40 UTCGHSA enrichment
- 2026-07-03 12:52 UTCEG score recompute
- 2026-07-03 12:52 UTCGHSA enrichment
- 2026-07-02 23:45 UTCEG score recompute
Show 44 moreShow fewer
- 2026-07-02 23:45 UTCGHSA enrichment
- 2026-07-02 11:04 UTCEG score recompute
- 2026-07-02 11:04 UTCGHSA enrichment
- 2026-07-01 22:21 UTCEG score recompute
- 2026-07-01 22:21 UTCGHSA enrichment
- 2026-07-01 15:07 UTCEPSS rescore
- 2026-07-01 09:26 UTCEG score recompute
- 2026-07-01 09:25 UTCGHSA enrichment
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-30 20:43 UTCEG score recompute
- 2026-06-30 20:43 UTCGHSA enrichment
- 2026-06-30 08:01 UTCEG score recompute
- 2026-06-30 08:01 UTCGHSA enrichment
- 2026-06-29 19:19 UTCEG score recompute
- 2026-06-29 19:19 UTCGHSA enrichment
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-29 06:37 UTCEG score recompute
- 2026-06-29 06:37 UTCGHSA enrichment
- 2026-06-28 17:55 UTCEG score recompute
- 2026-06-28 17:55 UTCGHSA enrichment
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 05:13 UTCEG score recompute
- 2026-06-28 05:13 UTCGHSA enrichment
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-27 16:31 UTCEG score recompute
- 2026-06-27 16:31 UTCGHSA enrichment
- 2026-06-27 03:45 UTCEG score recompute
- 2026-06-27 03:45 UTCGHSA enrichment
- 2026-06-27 03:08 UTCEPSS rescore
- 2026-06-26 15:02 UTCEG score recompute
- 2026-06-26 15:02 UTCGHSA enrichment
- 2026-06-26 02:20 UTCEG score recompute
- 2026-06-26 02:20 UTCGHSA enrichment
- 2026-06-25 13:49 UTCEPSS rescore
- 2026-06-25 13:38 UTCEG score recompute
- 2026-06-25 13:38 UTCGHSA enrichment
- 2026-06-25 00:56 UTCEG score recompute
- 2026-06-25 00:56 UTCGHSA enrichment
- 2026-06-24 14:05 UTCEPSS rescore
- 2026-06-24 12:15 UTCEG score recompute
- 2026-06-24 12:14 UTCGHSA enrichment
- 2026-06-23 23:30 UTCEG score recompute
- 2026-06-23 23:29 UTCNVD updatefirst tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-56785?
When was CVE-2026-56785 disclosed?
Is CVE-2026-56785 actively exploited?
What is the CVSS score of CVE-2026-56785?
How do I remediate CVE-2026-56785?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-56785
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