Wikidforum 2.20 Cross-Site Scripting via reply_text Parameter

Published 5 mo ago 2026-05-29 · modified 33 d ago 2026-10-06 · JSON

CVSS

5.4

v3.1 · CNA

CISA KEV

not known exploited

EPSS

0.2%

percentile 12%

Public exploits

none known

Wikidforum 2.20 contains a cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by submitting crafted HTML in the reply_text parameter. Attackers can post comments containing JavaScript code through the rpc.php endpoint that executes in other users' browsers when viewing forum replies.

CISA SSVC assessment

Exploitation: Proof of concept public
Automatable: no
Technical impact: partial
Assessed: 5 mo ago 2026-06-01

Exploit prediction (EPSS)

0.21% probability of exploitation in the next 30 days, higher than 12% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
CNA	4.0	5.1	`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N`
CNA	3.1	5.4	`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N`
CNA	4.0	5.1	`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X`
CNA	3.1	5.4	`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N`

Affected products

wikidforum Wikidforum

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

exploit-db.com /exploits/45580 · exploit
sourceforge.net /projects/wikidforum/ · product
sourceforge.net /projects/wikidforum/files/Wikidforum-com-ed.2.20.zip/download · product
vulncheck.com /advisories/wikidforum-cross-site-scripting-via-reply-text-parameter · third-party-advisory

Sources

CVE List: CVE-2018-25384
NVD: CVE-2018-25384

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary