WordPress Forminator plugin <= 1.58.3 - Content Injection vulnerability
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
- Exploited
- No known exploitation
- Fix
- No fix listed
- Who is exposed
- Not reported
- Exploitation?/40Exploitation: unknown (data gap). No CISA SSVC exploitation rating yet
- Exposure3/25Reachable over the network · Data gap: No advisory context yet
- Reach?/20Reach: unknown (data gap). No tracked technology or package matched
- Severity4.3/10CVSS 4.3
- No patch5/5No patch listed yet
What would change the score
- Would score about 67 if added to CISA KEV
- Would score about 62 if CISA's SSVC rates exploitation active
- Would score about 31 if advisories confirm default setups are exposed
CVE-2026-116858 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 4.3 (medium) and affects Forminator; no fixed version is listed yet.
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- Published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 12/100 · provisional
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The Forminator plugin for WordPress, a form-building tool, is affected by a cross-site scripting flaw that lets attackers inject malicious scripts into web pages. This could allow an attacker to run harmful code in the browsers of people who view the affected pages.
Read the original description
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in WPMU DEV Forminator forminator allows Code Injection.This issue affects Forminator: from n/a through 1.58.3.
Timeline
- CVE published
- Record last updated
- First seen by cve.now
Affected versions
- forminator
through 1.58.3
Evidence 1
- Link
Corrections
None so far.
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Questions about CVE-2026-116858
Is CVE-2026-116858 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
Which versions are affected by CVE-2026-116858?
forminator: through 1.58.3.Source: cve.now feed data