How severe is CVE-2020-22540?

CVE-2020-22540 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-22540 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-22540?

CVE-2020-22540 affects Codologic Codoforum. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-22540?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2020-22540 have an EU (EUVD) identifier?

Yes. CVE-2020-22540 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-15300.

When was CVE-2020-22540 published?

CVE-2020-22540 was published on 2024-04-15 and last updated on 2026-06-17.

CVE-2020-22540

CVE-2020-22540 is a medium-severity vulnerability in Codologic Codoforum with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-15300
Weakness: CWE-79
Affected product: Codologic Codoforum
Published: 2024-04-15
Last modified: 2026-06-17

Description

Stored Cross-Site Scripting (XSS) vulnerability in Codoforum v4.9, allows attackers to execute arbitrary code and obtain sensitive information via crafted payload to Category name component.

Frequently asked questions

What is CVE-2020-22540?: Stored Cross-Site Scripting (XSS) vulnerability in Codoforum v4.9, allows attackers to execute arbitrary code and obtain sensitive information via crafted payload to Category name component.
How severe is CVE-2020-22540?: CVE-2020-22540 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-22540 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-22540?: CVE-2020-22540 affects Codologic Codoforum. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-22540?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2020-22540 have an EU (EUVD) identifier?: Yes. CVE-2020-22540 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-15300.
When was CVE-2020-22540 published?: CVE-2020-22540 was published on 2024-04-15 and last updated on 2026-06-17.

References

https://gist.github.com/s4fv4n/0d7a5093886cf41d9c478166e4aeec64

Affected products (1)

cpe:2.3:a:codologic:codoforum:4.9:*:*:*:*:*:*:*

More vulnerabilities in Codologic Codoforum

CVE-2020-13873 — Critical (CVSS 9.8): A SQL Injection vulnerability in get_topic_info() in sys/CODOF/Forum/Topic.php in Codoforum before 4.9 allows remote…
CVE-2020-22539 — High (CVSS 7.2): An arbitrary file upload vulnerability in the Add Category function of Codoforum v4.9 allows attackers to execute…
CVE-2022-31854 — High (CVSS 7.2): Codoforum v5.1 was discovered to contain an arbitrary file upload vulnerability via the logo change option in the admin…
CVE-2020-7051 — 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 — Medium (CVSS 6.1): Codoforum 4.8.3 allows XSS in the user registration page: via the username field to the index.php?u=/user/register URI.…
CVE-2020-25879 — Medium (CVSS 5.4): A stored cross site scripting (XSS) vulnerability in the 'Manage Users' feature of Codoforum v5.0.2 allows…

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