How severe is CVE-2026-14634?

CVE-2026-14634 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-14634 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-14634?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-14634 published?

CVE-2026-14634 was published on 2026-07-04 and last updated on 2026-07-06.

CVE-2026-14634

CVE-2026-14634 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 5.0
CVSS v4: 2.1
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Published: 2026-07-04
Last modified: 2026-07-06

Description

A vulnerability was identified in kirilkirkov Ecommerce-CodeIgniter-Bootstrap up to 213babdbaa949e94557246414db0130e01394517. This vulnerability affects the function checkForPostRequests of the file application/core/MY_Controller.php of the component Subscribed Emails Admin Page. Such manipulation of the argument User-Agent leads to cross site scripting. The attack may be performed from remote. The exploit is publicly available and might be used. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The name of the patch is 23105f25dadf57b4314fc015a63a7c6e910c89df. It is advisable to implement a patch to correct this issue.

Frequently asked questions

What is CVE-2026-14634?: A vulnerability was identified in kirilkirkov Ecommerce-CodeIgniter-Bootstrap up to 213babdbaa949e94557246414db0130e01394517. This vulnerability affects the function checkForPostRequests of the file application/core/MY_Controller.php of the component Subscribed Emails Admin Page. Such manipulation of the argument User-Agent leads to cross site scripting. The attack may be performed from remote. The exploit is publicly available and might be used. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The name of the patch is 23105f25dadf57b4314fc015a63a7c6e910c89df. It is advisable to implement a patch to correct this issue.
How severe is CVE-2026-14634?: CVE-2026-14634 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-14634 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-14634?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-14634 published?: CVE-2026-14634 was published on 2026-07-04 and last updated on 2026-07-06.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

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CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

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