High Cross-site scripting

CVE-2026-1058 — Form Maker by 10Web <= 1.15.35 - Unauthenticated Stored Cross-Site Scripting via Hidden Field

The Form Maker plugin for WordPress is vulnerable to Stored Cross-Site Scripting via hidden field values in all versions up to, and including, 1.15.35. This is due to insufficient output escaping when displaying hidden field values in the admin submissions list. The plugin uses html_entity_decode() on user-supplied hidden field values without subsequent escaping before output, which converts HTML entity-encoded payloads back into executable JavaScript. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in the admin submissions view that will execute whenever an administrator accesses the submissions list.

Published Feb 3, 2026 · Updated Oct 13, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: Wordfence

Low

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.

How the score was calculated

EPSS 0.4% (30-day exploitation probability)+4
Technical severity (high)+6

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation

Not confirmed

Not in CISA KEV — an absence of record, not proof it is unexploited.

EPSS FIRST

0.37%

ahead of 29% of scored CVEs · Oct 14, 2026

Affects

10web

Form Maker by 10Web – Mobile-Friendly Drag & Drop Contact Form Builder

CVSS base

7.1

High · 2 source(s)

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Exploitation

None

none · proof-of-concept · active

Automatable

can an attacker script the kill-chain steps

Technical impact

Partial

partial · total control of the vulnerable component

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

Identify exposed assets running the affected vendor/product/version combinations (10web Form Maker by 10Web – Mobile-Friendly Drag & Drop Contact Form Builder).
The attack is network-based and needs no privileges: restrict exposure (ACLs, VPN, WAF) until patched.
No fix documented in the sources: reduce exposure and monitor the vendor advisory.
Exploitation requires user interaction: tighten email/web filtering and warn affected users.
Search available logs for exploit probes matching the vulnerability class (cross-site scripting), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

Vendor	Product	Versions	Status	Source
10web	Form Maker by 10Web – Mobile-Friendly Drag & Drop Contact Form Builder	≤ 1.15.35	Vulnerable	CVE Program (cve.org) e CISA ADP

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

Score	Version	Severity	Expl.	Impact	Scored by
7.1	CVSS 3.1	High	2.8	3.7	security@wordfence.com via NIST National Vulnerability Database
7.1	CVSS 3.1	High	—	—	Wordfence via CVE Program (cve.org) e CISA ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L (score shown at the top: security@wordfence.com)

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-79 · Cross-site Scripting (XSS)

Other CVEs with this weakness →

EPSS over time FIRST

Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 0.37%

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).
Monitor CSP violation reports and script payloads in reflected parameters.

web/proxy/WAF logsnetwork IDS/IPSapplication logs

Timeline

What happened to this CVE, newest first.

2026
Affected products added · 10web/form maker by 10web – mobile-friendly drag & drop contact form builder
Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
SSVC assessment updated
Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
Record published
Oct 13, 2026
CVSS changed · 7.1
Oct 13, 2026 · NIST National Vulnerability Database
Source status changed · → Deferred
Oct 13, 2026 · NIST National Vulnerability Database
Record created in this database
Oct 13, 2026 · NIST National Vulnerability Database
CVE published
Feb 3, 2026 · Wordfence

Source activity

Repeated readings are counted rather than listed.

1× Official description updated · Oct 13, 2026 – Oct 13, 2026

References

3 on the record

www.wordfence.com/threat-intel/vulnerabilities/id/e0ec0027-2792-4069-b413-8fdd951f5fe7
NIST National Vulnerability Database
plugins.trac.wordpress.org/browser/form-maker/tags/1.15.34/admin/views/Submissions_fm.php
NIST National Vulnerability Database
plugins.trac.wordpress.org/changeset
NIST National Vulnerability Database

Elsewhere on this site

10web
every CVE for this vendor

Cross-site scripting
same class

CWE-79
other pages naming this weakness

Related CVEs (same products)

High CVE-2026-95808 Form Maker by 10Web <= 1.15.48 - Unauthenticated SQL Injection via 'inputs' Parameter 1d
Medium CVE-2026-103998 Form Maker by 10Web <= 1.15.48 - Reflected Cross-Site Scripting via 'inputs' Parameter Array Key 5d
Medium CVE-2026-11776 Form Maker by 10Web <= 1.15.43 - Authenticated (Adminsitrator+) SQL Injection via 'groupids' Parameter Jun 18, 2026
Medium CVE-2026-11777 Form Maker by 10Web <= 1.15.43 - Authenticated (Administrator+) SQL Injection via 'name' Parameter Jun 18, 2026
High CVE-2026-3359 Form Maker by 10Web – Mobile-Friendly Drag & Drop Contact Form Builder <= 1.15.42 - Unauthenticated SQL Injection via 'inputs' May 5, 2026
Medium CVE-2026-3330 Form Maker by 10Web <= 1.15.40 - Authenticated (Administrator+) SQL Injection via 'ip_search' Parameter Apr 17, 2026

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

No fixed version, patch or mitigation documented.
No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2026-1058 is "Form Maker by 10Web <= 1.15.35 - Unauthenticated Stored Cross-Site Scripting via Hidden Field", rated High. It affects Form Maker by 10Web – Mobile-Friendly Drag & Drop Contact Form Builder (10web); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 7.1 describes technical severity. EPSS 0.37% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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