What is CVE-2021-36826?

CVE-2021-36826 is a medium-severity vulnerability in Wedevs Wp Project Manager, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-04-04.

How severe is CVE-2021-36826?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2021-36826 known to be exploited?

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

XSS in Wedevs Wp Project Manager

CVE-2021-36826

Authenticated (subscriber or higher user role if allowed to access projects) Stored Cross-Site Scripting (XSS) vulnerability in weDevs WP Project Manager plugin <= 2.4.13 versions.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-04-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

patchstack.com/database/vulnerability/wedevs-project-manager/wordpress-wp-proje… (vdb-entry)

Frequently asked questions

What is CVE-2021-36826?: CVE-2021-36826 is a medium-severity vulnerability in Wedevs Wp Project Manager, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-04-04.
How severe is CVE-2021-36826?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-36826 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.