Wikidforum 2.20 Cross-Site Scripting via reply_text Parameter
Published May 29, 2026
5.1
MEDIUMCVSS 4.0
EPSS 0.21%
Description
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.
Affected products
-
- Version 0StatusaffectedConstraints<=2.20
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Wikidforum | Wikidforum | unaffected |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
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
1 other source (NVD) ▾
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
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Jun 1, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
May–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.21% (0.00215) | 10.80th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.21% (0.00215) | 11.77th | v5 (v2026.06.15) |
| May 30, 2026 | 0.03% (0.00030) | 9.26th | v4 (v2025.03.14) |
References (4)
- https://sourceforge.net/projects/wikidforum/ product
- https://sourceforge.net/projects/wikidforum/files/Wikidforum-com-ed.2.20.zip/download product
- https://www.exploit-db.com/exploits/45580 exploit
- https://www.vulncheck.com/advisories/wikidforum-cross-site-scripting-via-reply-text-parameter third-party-advisory
Change history (0)
No recorded changes yet.