How severe is CVE-2018-11734?

CVE-2018-11734 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-11734 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11734?

CVE-2018-11734 affects E107. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-11734?

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

When was CVE-2018-11734 published?

CVE-2018-11734 was published on 2019-07-10 and last updated on 2026-06-17.

CVE-2018-11734

CVE-2018-11734 is a medium-severity vulnerability in E107 with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: E107
Published: 2019-07-10
Last modified: 2026-06-17

Description

In e107 v2.1.7, output without filtering results in XSS.

Frequently asked questions

What is CVE-2018-11734?: In e107 v2.1.7, output without filtering results in XSS.
How severe is CVE-2018-11734?: CVE-2018-11734 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-11734 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11734?: CVE-2018-11734 affects E107. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-11734?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-11734 published?: CVE-2018-11734 was published on 2019-07-10 and last updated on 2026-06-17.

References

https://github.com/e107inc/e107/issues/3170

Affected products (1)

cpe:2.3:a:e107:e107:2.1.7:*:*:*:*:*:*:*

More vulnerabilities in E107

CVE-2008-1989 — Critical (CVSS 10.0): PHP remote file inclusion vulnerability in 123flashchat.php in the 123 Flash Chat 6.8.0 module for e107, when…
CVE-2022-50905 — Critical (CVSS 9.8): e107 CMS version 3.2.1 contains multiple vulnerabilities that allow cross-site scripting (XSS) attacks. The first…
CVE-2021-27885 — High (CVSS 8.8): usersettings.php in e107 through 2.3.0 lacks a certain e_TOKEN protection mechanism.
CVE-2016-10753 — High (CVSS 8.8): e107 2.1.2 allows PHP Object Injection with resultant SQL injection, because usersettings.php uses unserialize without…
CVE-2018-15901 — High (CVSS 8.8): e107 2.1.8 has CSRF in 'usersettings.php' with an impact of changing details such as passwords of users including…
CVE-2011-1513 — High (CVSS 7.5): Static code injection vulnerability in install_.php in e107 CMS 0.7.24 and probably earlier versions, when the…

All CVEs affecting E107 →

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

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
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…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →