CVE-2026-6443 (GCVE-0-2026-6443)
Vulnerability from cvelistv5 – Published: 2026-04-17 06:44 – Updated: 2026-04-17 18:49
VLAI?
Title
Accordion and Accordion Slider 1.4.6 - Injected Backdoor
Summary
The Accordion and Accordion Slider plugin for WordPress is vulnerable to an injected backdoor in version 1.4.6. This is due to the plugin being sold to a malicious threat actor that embedded a backdoor in all of the plugin's they acquired. This makes it possible for the threat actor to maintain a persistent backdoor and inject spam into the affected sites.
Severity ?
9.8 (Critical)
CWE
- CWE-506 - Embedded Malicious Code
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| essentialplugin | Accordion and Accordion Slider |
Affected:
1.4.6
|
Credits
Eu Joe Chegne
Damien
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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