How severe is CVE-2021-31676?

CVE-2021-31676 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-31676 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-31676?

CVE-2021-31676 affects Pescms Pescms Team. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-31676?

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

When was CVE-2021-31676 published?

CVE-2021-31676 was published on 2022-07-06 and last updated on 2026-06-17.

CVE-2021-31676

CVE-2021-31676 is a medium-severity vulnerability in Pescms Pescms Team with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Pescms Pescms Team
Published: 2022-07-06
Last modified: 2026-06-17

Description

A reflected XSS was discovered in PESCMS-V2.3.3. When combined with CSRF in the same file, they can cause bigger destruction.

Frequently asked questions

What is CVE-2021-31676?: A reflected XSS was discovered in PESCMS-V2.3.3. When combined with CSRF in the same file, they can cause bigger destruction.
How severe is CVE-2021-31676?: CVE-2021-31676 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-31676 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31676?: CVE-2021-31676 affects Pescms Pescms Team. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-31676?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-31676 published?: CVE-2021-31676 was published on 2022-07-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pescms:pescms_team:2.3.3:*:*:*:*:*:*:*

More vulnerabilities in Pescms Pescms Team

CVE-2018-16370 — Critical (CVSS 9.8): In PESCMS Team 2.2.1, attackers may upload and execute arbitrary PHP code through /Public/?g=Team&m=Setting&a=upgrade…
CVE-2021-31679 — Medium (CVSS 6.5): An issue was discovered in PESCMS-V2.3.3. There is a CSRF vulnerability that allows attackers to delete admin and other…
CVE-2021-31678 — Medium (CVSS 6.5): An issue was discovered in PESCMS-V2.3.3. There is a CSRF vulnerability that can delete import information about a…
CVE-2021-31677 — Medium (CVSS 6.5): An issue was discovered in PESCMS-V2.3.3. There is a CSRF vulnerability that can modify admin and other members'…
CVE-2020-28092 — Medium (CVSS 6.1): PESCMS Team 2.3.2 has multiple reflected XSS via the id parameter:?g=Team&m=Task&a=my&status=3&id=,?g=Team&m=Task&a=my&s…
CVE-2018-16371 — Medium (CVSS 6.1): PESCMS Team 2.2.1 has multiple reflected XSS via the keyword parameter: g=Team&m=User&a=index&keyword=,…

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