CVE-2020-7050: Codologic Codoforum through 4.8.4 allows a DOM-based XSS

Q: How do I fix CVE-2020-7050?

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

Q: Is CVE-2020-7050 being exploited?

CVE-2020-7050 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-2020-7050 affect?

CVE-2020-7050 affects codoforum. Severity is medium (CVSS 5.4). Codologic Codoforum through 4.8.4 allows a DOM-based XSS. While creating a new topic as a normal user, it is possible to add a poll that is automatically loaded in the DOM once the thread/topic is opened. Because session cookies lack the Ht

Q: How urgent is CVE-2020-7050?

Priority 30/100. No elevated risk signals yet.

Routine

MEDIUM 5.4UPGRADE

CVE-2020-7050 is a medium-severity flaw (CVSS 5.4) 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 a DOM-based XSS. While creating a new topic as a normal user, it is possible to add a poll that is automatically loaded in the DOM once the thread/topic is opened. Because session cookies lack the HttpOnly flag, it is possible to steal authentication cookies and take over accounts.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-79, CWE-732
Published	2020-02-15
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

2020-02-15 18:19 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-2020-7050?

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

Is CVE-2020-7050 being exploited?

CVE-2020-7050 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-2020-7050 affect?

CVE-2020-7050 affects codoforum. Severity is medium (CVSS 5.4). Codologic Codoforum through 4.8.4 allows a DOM-based XSS. While creating a new topic as a normal user, it is possible to add a poll that is automatically loaded in the DOM once the thread/topic is opened. Because session cookies lack the Ht

How urgent is CVE-2020-7050?

Priority 30/100. 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-2020-7051 MEDIUM 6.1 UPGRADE Codologic Codoforum through 4.8.4 allows stored XSS in the login area
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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