How severe is CVE-2024-49254?

CVE-2024-49254 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-49254 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-49254?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-49254 have an EU (EUVD) identifier?

Yes. CVE-2024-49254 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-43322.

When was CVE-2024-49254 published?

CVE-2024-49254 was published on 2024-10-16 and last updated on 2026-06-17.

CVE-2024-49254

CVE-2024-49254 is a critical-severity vulnerability with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-43322
Weakness: CWE-94
Published: 2024-10-16
Last modified: 2026-06-17

Description

Improper Control of Generation of Code ('Code Injection') vulnerability in sunjianle ajax-extend ajax-extend allows Code Injection.This issue affects ajax-extend: from n/a through <= 1.0.

Frequently asked questions

What is CVE-2024-49254?: Improper Control of Generation of Code ('Code Injection') vulnerability in sunjianle ajax-extend ajax-extend allows Code Injection.This issue affects ajax-extend: from n/a through <= 1.0.
How severe is CVE-2024-49254?: CVE-2024-49254 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-49254 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-49254?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-49254 have an EU (EUVD) identifier?: Yes. CVE-2024-49254 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-43322.
When was CVE-2024-49254 published?: CVE-2024-49254 was published on 2024-10-16 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/ajax-extend/vulnerability/wordpress-ajax-extend-plugin-1-0-remote-code-execution-rce-vulnerability?_s_id=cve

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CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.

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