What is CVE-2020-7051?

CVE-2020-7051 is a medium-severity vulnerability in Codologic Codoforum, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-02-13.

How severe is CVE-2020-7051?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2020-7051 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Codologic Codoforum

CVE-2020-7051

Codologic Codoforum through 4.8.4 allows stored XSS in the login area. This is relevant in conjunction with CVE-2020-5842 because session cookies lack the HttpOnly flag. The impact is account takeover.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-02-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (53.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Codologic Codoforum

Weakness classification (CWE)

Public proof-of-concept exploits

References

codologic.com/forum/index.php (Vendor Advisory)
www.linkedin.com/posts/polina-voronina-896819b5_discovered-by-polina-voronina-j… (Third Party Advisory)

Frequently asked questions

What is CVE-2020-7051?: CVE-2020-7051 is a medium-severity vulnerability in Codologic Codoforum, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-02-13.
How severe is CVE-2020-7051?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-7051 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.