How severe is CVE-2024-52702?

CVE-2024-52702 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-52702 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-52702?

CVE-2024-52702 affects Mybb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-52702?

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

Does CVE-2024-52702 have an EU (EUVD) identifier?

Yes. CVE-2024-52702 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-46033.

When was CVE-2024-52702 published?

CVE-2024-52702 was published on 2024-11-20 and last updated on 2026-06-17.

CVE-2024-52702

CVE-2024-52702 is a medium-severity vulnerability in Mybb with a CVSS 3.x base score of 5.4. 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 5.4)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-46033
Weakness: CWE-79
Affected product: Mybb
Published: 2024-11-20
Last modified: 2026-06-17

Description

A stored cross-site scripting (XSS) vulnerability in the component install\index.php of MyBB v1.8.38 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Website Name parameter. NOTE: this is disputed by the Supplier because Website Name can only be set by an administrator, who may use JavaScript if they wish.

Frequently asked questions

What is CVE-2024-52702?: A stored cross-site scripting (XSS) vulnerability in the component install\index.php of MyBB v1.8.38 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Website Name parameter. NOTE: this is disputed by the Supplier because Website Name can only be set by an administrator, who may use JavaScript if they wish.
How severe is CVE-2024-52702?: CVE-2024-52702 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-52702 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-52702?: CVE-2024-52702 affects Mybb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-52702?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-52702 have an EU (EUVD) identifier?: Yes. CVE-2024-52702 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-46033.
When was CVE-2024-52702 published?: CVE-2024-52702 was published on 2024-11-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mybb:mybb:1.8.38:*:*:*:*:*:*:*

More vulnerabilities in Mybb

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CVE-2015-2786 — Critical (CVSS 10.0): Unspecified vulnerability in MyBB (aka MyBulletinBoard) before 1.8.4 has unknown attack vectors related to "Group join…
CVE-2011-5133 — Critical (CVSS 10.0): Unspecified vulnerability in MyBB before 1.6.5 has unknown impact and attack vectors, related to an "unparsed user…
CVE-2006-0218 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in MyBulletinBoard (MyBB) before 1.0.2 have unspecified impact and attack vectors,…
CVE-2011-10018 — Critical (CVSS 9.8): myBB version 1.6.4 was distributed with an unauthorized backdoor embedded in the source code. The backdoor allowed…
CVE-2020-22612 — Critical (CVSS 9.8): Installer RCE on settings file write in MyBB before 1.8.22.

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