CVE-2020-35581: enviragallery envira_gallery Cross-site Scripting
Vulnerability summary
CVE-2020-35581 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in enviragallery envira_gallery. EPSS estimates a 1.36% chance of exploitation in the next 30 days, higher than 71.4% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 15-01-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A stored cross-site scripting (XSS) issue in Envira Gallery Lite before 1.8.3.3 allows remote attackers to inject arbitrary JavaScript/HTML code via a POST /wp-admin/admin-ajax.php request with the meta[title] parameter.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.36%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
Increase +0.02 pp
From 1.34% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (packetstormsecurity.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Enviragallery1 product
- envira_gallery< 1.8.3.3
1 vendor · 1 product
References
4 links- github.com/enviragallery/envira-gallery-lite/commit/3b081dd10a1731f8cd981bebeac0e775fb217acfX Refsource MISCPatchThird Party Advisory
- github.com/enviragallery/envira-gallery-lite/commit/102651514e6faca914ec1c7e113def340d8e1e09X Refsource CONFIRMPatchThird Party Advisory
- packetstormsecurity.com/files/160924/Envira-Gallery-Lite-1.8.3.2-Cross-Site-Scripting.htmlX Refsource MISCExploitThird Party AdvisoryVDB Entry
- github.com/enviragallery/envira-gallery-lite/blob/master/changelog.txtX Refsource CONFIRMRelease NotesThird Party Advisory