CVE-2020-7051: Codologic Codoforum through 4.8.4 allows stored XSS in the login area

Q: How do I fix CVE-2020-7051?

codoforum: upgrade to newer than 4.8.4. Exact commands for each OS are on this page.

Q: Is CVE-2020-7051 being exploited?

CVE-2020-7051 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-7051 affect?

CVE-2020-7051 affects codoforum. Severity is medium (CVSS 6.1). 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.

Q: How urgent is CVE-2020-7051?

Priority 35/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2020-7051 is a medium-severity flaw (CVSS 6.1) affecting codoforum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-79, CWE-732
Published	2020-02-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: codologic

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-02-13 16:15 UTCPublished CVE record published
2026-06-17 03:24 UTCUpdated Record last modified

codologic codoforum UPGRADE

Affected: <= 4.8.4

Fixed in: newer than 4.8.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy codoforum || rpm -q codoforum || codoforum --version

2. UPGRADE to newer than 4.8.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade codoforum

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade codoforum

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-7051?

codoforum: upgrade to newer than 4.8.4. Exact commands for each OS are on this page.

Is CVE-2020-7051 being exploited?

CVE-2020-7051 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-7051 affect?

CVE-2020-7051 affects codoforum. Severity is medium (CVSS 6.1). 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.

How urgent is CVE-2020-7051?

Priority 35/100. No elevated risk signals yet.

Related CVEs

CVE-2022-31854 HIGH 7.2 DOWNGRADE Codoforum v5.1 was discovered to contain an arbitrary file upload vulnerability via the logo change option in
CVE-2020-9007 MEDIUM 5.4 DOWNGRADE Codoforum 4.8.8 allows self-XSS via the title of a new topic.
CVE-2020-7050 MEDIUM 5.4 UPGRADE Codologic Codoforum through 4.8.4 allows a DOM-based XSS
CVE-2020-5843 MEDIUM 4.8 DOWNGRADE Codoforum 4.8.3 allows XSS in the admin dashboard via a category to the Manage Users screen.
CVE-2020-5842 MEDIUM 6.1 DOWNGRADE Codoforum 4.8.3 allows XSS in the user registration page: via the username field to the index.php?u=/user/regi

References

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