How severe is CVE-2018-25247?

CVE-2018-25247 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-2018-25247 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-25247?

CVE-2018-25247 affects Mybb Thankyou/like System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-25247?

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

Does CVE-2018-25247 have an EU (EUVD) identifier?

Yes. CVE-2018-25247 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21746.

When was CVE-2018-25247 published?

CVE-2018-25247 was published on 2026-04-04 and last updated on 2026-06-17.

CVE-2018-25247

CVE-2018-25247 is a medium-severity vulnerability in Mybb Thankyou/like System 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 v4: 5.1
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2018-21746
Weakness: CWE-79
Affected product: Mybb Thankyou/like System
Published: 2026-04-04
Last modified: 2026-06-17

Description

MyBB Like Plugin 3.0.0 contains a stored cross-site scripting vulnerability. Authenticated attackers can inject script payloads into post or thread subjects; when other users view a profile that displays the attacker's liked posts, the unsanitized subject is rendered, executing the script in the viewer's browser.

Frequently asked questions

What is CVE-2018-25247?: MyBB Like Plugin 3.0.0 contains a stored cross-site scripting vulnerability. Authenticated attackers can inject script payloads into post or thread subjects; when other users view a profile that displays the attacker's liked posts, the unsanitized subject is rendered, executing the script in the viewer's browser.
How severe is CVE-2018-25247?: CVE-2018-25247 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-2018-25247 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-25247?: CVE-2018-25247 affects Mybb Thankyou/like System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-25247?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2018-25247 have an EU (EUVD) identifier?: Yes. CVE-2018-25247 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21746.
When was CVE-2018-25247 published?: CVE-2018-25247 was published on 2026-04-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mybb:thankyou\/like_system:*:*:*:*:*:mybb:*:*

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