Security readout for executives and security teams
Plain-English summary
CVE-2026-78260 is a critical SQL injection flaw reported in the WordPress Epayco plugin through version 8.4.6. An unauthenticated internet user may reach the vulnerable functionality without an account or user interaction. Successful abuse could expose sensitive database information and cause limited service disruption. The supplied sources do not establish active exploitation.
Executive priority
Treat this as an immediate remediation priority for internet-facing systems. Assign ownership now, inventory affected installations, and obtain authoritative fix guidance. Because potential data disclosure is high and no authentication is required, delays increase business risk. The sources do not prove active attacks, so incident escalation should depend on environment-specific evidence.
Technical view
The issue is classified as CWE-89 SQL injection with CVSS 3.1 score 9.3. Its vector indicates remote, low-complexity, unauthenticated exploitation requiring no user interaction, with high confidentiality impact, no stated integrity impact, and low availability impact. The bundle does not identify the vulnerable parameter, endpoint, root cause, patched version, or vendor-approved mitigation.
Likely exposure
Potential exposure is highest for internet-accessible WordPress installations running epayco-gateway version 8.4.6 or earlier. Confirm exposure through plugin inventories rather than assuming all WordPress systems are affected. The bundle’s structured affected record contains inconsistent version metadata, so exact applicability should be verified against current vendor or Patchstack guidance.
Exploitation context
The vulnerability characteristics suggest a low barrier to remote abuse because authentication and user interaction are not required. However, KEV status is false, and no supplied source confirms exploitation in the wild, public exploit availability, or a specific attack campaign. Treat it as urgent based on technical severity, not evidence of active compromise.
Researcher notes
The supplied evidence supports the CVE classification, severity, and affected-version claim, but lacks endpoint-level details and remediation information. The structured affected entry lists versions as “n/a” and default status as “unaffected,” conflicting with the title and description stating Epayco through 8.4.6 is vulnerable. Preserve that uncertainty during product matching and version-range validation.
Mitigation direction
- Identify every WordPress installation using the Epayco plugin and record its installed version.
- Check current ePayco and Patchstack guidance for a confirmed fixed release or vendor-approved mitigation.
- Prioritize upgrading once a fixed version is confirmed by an authoritative source.
- If no fix is available, consider temporarily deactivating the plugin after assessing business impact.
- Restrict unnecessary public access and increase monitoring until remediation is confirmed.
Validation and detection
- Verify plugin versions directly from each WordPress installation and reconcile them with asset inventory.
- Confirm whether affected installations are reachable from untrusted networks.
- Review web and database logs for unusual requests, SQL errors, or unexpected query activity.
- Confirm remediation by rechecking the installed version against authoritative fixed-version guidance.
- Use non-destructive security testing only with authorization and avoid testing production data paths.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-78260 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L3.94.7PatchstackVulnerability scoring details
Base CVSS 3.1 score
9.3CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://patchstack.com/database/wordpress/plugin/epayco-gateway/vulnerability/wordpress-epayco-plugin-8-4-6-sql-injection-vulnerability?_s_id=cveCVE reference, Patchstack · vdb-entry
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.