Eupago Gateway For Woocommerce 4.5.0 - 4.7.5 - Unauthenticated Payment Confirmation Bypass
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
- Exposure17/25No login or user action needed per the CVSS vector, reachable over the network without a login · Data gap: No advisory context yet
- Reach?/20Reach: unknown (data gap). No tracked technology or package matched
- Severity5.3/10CVSS 5.3
- No patch5/5No patch listed yet
What would change the score
- Would score about 72 if added to CISA KEV
- Would score about 67 if CISA's SSVC rates exploitation active
- Would score about 32 if advisories confirm default setups are exposed
CVE-2026-91075 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 5.3 (medium) and affects Eupago Gateway For Woocommerce; 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
- FIRST's estimate of the chance attackers exploit it in the next 30 days, updated daily.What do these mean? →
- 0.11% · 1st percentile
- 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? →
- 27/100 · 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 Eupago Gateway for WooCommerce plugin for WordPress, which handles online payments for WooCommerce stores, is affected. An unauthenticated attacker could forge a payment confirmation so that an unpaid order is marked as paid, without actually paying.
Read the original description
The Eupago Gateway For Woocommerce WordPress plugin from 4.5.0 through 4.7.5 does not verify the authenticity of incoming payment-confirmation webhook requests in some configurations, allowing unauthenticated attackers to forge a payment confirmation and mark a pending order as paid without paying for it.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- Unknown Eupago Gateway For Woocommerce
From 4.5.0 · through 4.7.5
Evidence 1
- Exploit
Corrections
None so far.
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Questions about CVE-2026-91075
Is CVE-2026-91075 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-2026-91075?
Eupago Gateway For Woocommerce: from 4.5.0 through 4.7.5.Source: cve.now feed data