How severe is CVE-2021-47913?

CVE-2021-47913 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-47913 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-47913?

CVE-2021-47913 affects Phpsugar Php Melody. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-47913?

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

Does CVE-2021-47913 have an EU (EUVD) identifier?

Yes. CVE-2021-47913 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34758.

When was CVE-2021-47913 published?

CVE-2021-47913 was published on 2026-02-01 and last updated on 2026-06-17.

CVE-2021-47913

CVE-2021-47913 is a medium-severity vulnerability in Phpsugar Php Melody with a CVSS 3.x base score of 6.4. 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 6.4)
CVSS v4: 5.1
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2021-34758
Weakness: CWE-79
Affected product: Phpsugar Php Melody
Published: 2026-02-01
Last modified: 2026-06-17

Description

PHP Melody 3.0 contains a persistent cross-site scripting vulnerability in the video editor that allows privileged users to inject malicious scripts. Attackers can exploit the WYSIWYG editor to execute persistent scripts, potentially leading to session hijacking and application manipulation.

Frequently asked questions

What is CVE-2021-47913?: PHP Melody 3.0 contains a persistent cross-site scripting vulnerability in the video editor that allows privileged users to inject malicious scripts. Attackers can exploit the WYSIWYG editor to execute persistent scripts, potentially leading to session hijacking and application manipulation.
How severe is CVE-2021-47913?: CVE-2021-47913 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-47913 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-47913?: CVE-2021-47913 affects Phpsugar Php Melody. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-47913?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2021-47913 have an EU (EUVD) identifier?: Yes. CVE-2021-47913 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34758.
When was CVE-2021-47913 published?: CVE-2021-47913 was published on 2026-02-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpsugar:php_melody:3.0:*:*:*:*:*:*:*

More vulnerabilities in Phpsugar Php Melody

CVE-2018-5211 — Critical (CVSS 9.8): PHP Melody version 2.7.1 suffer from SQL Injection Time-based attack on the page ajax.php with the parameter playlist.
CVE-2017-15081 — Critical (CVSS 9.8): In PHPSUGAR PHP Melody CMS 2.6.1, SQL Injection exists via the playlist parameter to playlists.php.
CVE-2017-15579 — Critical (CVSS 9.8): In PHPSUGAR PHP Melody before 2.7.3, SQL Injection exists via an aa_pages_per_page cookie in a playlist action to…
CVE-2017-15578 — High (CVSS 8.8): In PHPSUGAR PHP Melody before 2.7.3, SQL Injection exists via the image parameter to admin/edit_category.php.
CVE-2021-47915 — High (CVSS 8.1): PHP Melody version 3.0 contains a remote SQL injection vulnerability in the video edit module that allows authenticated…
CVE-2021-47914 — Medium (CVSS 6.4): PHP Melody version 3.0 contains a persistent cross-site scripting vulnerability in the edit-video.php submitted…

All CVEs affecting Phpsugar Php Melody →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →