How severe is CVE-2024-27516?

CVE-2024-27516 has a CVSS 3.x base score of 9.8, 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-2024-27516 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-27516?

CVE-2024-27516 affects Livehelperchat Live Helper Chat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-27516?

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-2024-27516 have an EU (EUVD) identifier?

Yes. CVE-2024-27516 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0726.

When was CVE-2024-27516 published?

CVE-2024-27516 was published on 2024-02-29 and last updated on 2026-06-17.

CVE-2024-27516

CVE-2024-27516 is a critical-severity vulnerability in Livehelperchat Live Helper Chat with a CVSS 3.x base score of 9.8. 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (72nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0726
Weakness: CWE-78
Affected product: Livehelperchat Live Helper Chat
Published: 2024-02-29
Last modified: 2026-06-17

Description

Server-Side Template Injection (SSTI) vulnerability in livehelperchat before 4.34v, allows remote attackers to execute arbitrary code and obtain sensitive information via the search parameter in lhc_web/modules/lhfaq/faqweight.php.

Frequently asked questions

What is CVE-2024-27516?: Server-Side Template Injection (SSTI) vulnerability in livehelperchat before 4.34v, allows remote attackers to execute arbitrary code and obtain sensitive information via the search parameter in lhc_web/modules/lhfaq/faqweight.php.
How severe is CVE-2024-27516?: CVE-2024-27516 has a CVSS 3.x base score of 9.8, 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-2024-27516 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-27516?: CVE-2024-27516 affects Livehelperchat Live Helper Chat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-27516?: 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-2024-27516 have an EU (EUVD) identifier?: Yes. CVE-2024-27516 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0726.
When was CVE-2024-27516 published?: CVE-2024-27516 was published on 2024-02-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:livehelperchat:live_helper_chat:*:*:*:*:*:*:*:*

More vulnerabilities in Livehelperchat Live Helper Chat

CVE-2022-0935 — High (CVSS 8.8): Host Header injection in password Reset in GitHub repository livehelperchat/livehelperchat prior to 3.97.
CVE-2021-4131 — High (CVSS 8.8): livehelperchat is vulnerable to Cross-Site Request Forgery (CSRF)
CVE-2022-1235 — High (CVSS 8.2): Weak secrethash can be brute-forced in GitHub repository livehelperchat/livehelperchat prior to 3.96.
CVE-2022-1213 — High (CVSS 8.1): SSRF filter bypass port 80, 433 in GitHub repository livehelperchat/livehelperchat prior to 3.67v. An attacker could…
CVE-2022-1191 — High (CVSS 8.1): SSRF on index.php/cobrowse/proxycss/ in GitHub repository livehelperchat/livehelperchat prior to 3.96.
CVE-2022-1176 — High (CVSS 7.5): Loose comparison causes IDOR on multiple endpoints in GitHub repository livehelperchat/livehelperchat prior to 3.96.

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