Medium severity5.4NVD Advisory· Published Nov 6, 2023· Updated Jun 17, 2026

CVE-2023-45556

Description

Cross Site Scripting vulnerability in Mybb Mybb Forums v.1.8.33 allows a local attacker to execute arbitrary code via the theme Name parameter in the theme management component.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

MyBB/Mybb2 versions
cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*range: <1.8.37
- (no CPE)range: =1.8.33
MyBB/myBB Forumscpe-rescue
osv-coords
pkg:bitnami/mybb
Range: < 1.8.37

Patches

Vulnerability mechanics

References

github.com/mybb/mybb/security/advisories/GHSA-4xqm-3cm2-5xgfnvdPatchThird Party Advisory
github.com/Or4ngm4n/Mybb/blob/main/MyBB%201.8.33%20Cross%20Site%20Scripting.txtnvdExploit
raw.githubusercontent.com/Or4ngm4n/Mybb/main/Screenshot%202023-10-08%20012112.pngnvdProduct

News mentions

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cvss	0.351
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000